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| Expertising area | Signature/name | Details (b. born, d. dead, f. founded) |
| Falkland Is. | Heijtz, Stefan | Stockholm 2002, dealer. Note |
| Finland air mails (except Zeppelin) | Collan, Mikael | Salo, b. 1975, Finn. Phil. Fed. 2022– |
| Finland | Droese, Bernhard ('B. Droese') | Plön/Holstein 1950, Düsseldorf 1961, Bad Salzuflen 1968, BPP 1958– |
| Finland | Fabergé, Agathon ('AgF'), 2, 3. Photo | Helsinki, 1876–1951, famous philatelist, FFF exp. comm. |
| Finland | Fennia-Post Helsingfors, 2 | Helsinki, dealers (Alfons Sundqvist), in use 1930s, Oy Fennia-Post Ab 1920–c.1950 |
| Finland (Aunus) | Fieandt, Einar | Helsinki, 1879–36, SF expert |
| Finland | Filatelia Oy, Ab ('Fi') | Helsinki, dealers (Gunnar Kreipke?), in use 1930s |
| Finland | Frenckell, Karl von | Dresden pre-WW2, Kronberg i.Ts 1950, 1880–1952 |
| Finland | Freymuth, Arthur ('AF' in manuscript) | Helsinki, d. 1940, dealer |
| Finland | Friedemann, Albert | Leipzig, 1867–1933, dealer (Senf?) |
| Finland | Frim. För. i Finland, 2 | Frimärkssamlarföreningen i Finland's expert committee, Helsinki, 1931–c.1955 |
| Finland | Fulpius, George(s), Dr. ('G.F.' ?, GF in manuscript) | Geneva 1949, 1886–1955, official expert 1949, AIEP 1954–55 |
| Finland | Grønlund, Svend (Gronlund, Groenlund). Certif. Photo | Copenhagen 1969, d. 1970s, also on forged. Note |
| Finland | Gummesson, Per | Stockholm, 1947–2004 (7 Jan.), dealer |
| Finland (pre-1900) | Gummesson, Rolf ('RGm' in manuscript). Certif. Photo | Stockholm, 1913–2002, dealer 1935–2002, father of Per G. Note |
| Finland (and areas) | Hellman, E. A. ('EAH') | Helsinki, 1895–1980, dealer-researcher, in use 1930s, expert until c. 1960 |
| Finland | Hellman, Kaj. Certif | Espoo, b. 1948, auctioneer, expert Feb. 2000–. Note |
| Finland | Helsingfors Frimärkssamlare Förening, ('H.F.F.'), 2 | HFF's expert committee, Helsinki, 1897–c.1960 |
| Finland (1963) | Jämsä, Risto (Jamsa) | Haukipudas, Finn. Phil. Fed. 2004– |
| Finland (esp. Aunus) | Karvonen, V. J. (pencil). Photo | Viljo (Jaakko) K., Helsinki, 1901–89?, indep. expert. Note |
| Finland (1930 issue) | Kauppi, Hannu | Haukipudas, b. 1946, Finn. Ph. Fed. 2002– |
| Filand (1930s) | Killinen, Kalervo (KK in octagon) | Kuopio. Collector's mark |
| Finland (Aunus) | Kinnunen, Sulo | Lappeenranta, 1894–1966, SF expert |
| Finland | Koenigsfest, W. (= Königsfest) | Germany?, dealer?, early 1900s |
| Finland | Kullberg, Birger J. | Helsinki, 1911–90, Finn. Ph. Fed. 1981–90 |
| Finland | Kunz | . |
| Finland (1917–29) | Lehtonen, Kari | Lahti, Finn. Phil. Fed. 2004– |
| Finland | Leinonen, (Kaarlo) Jorma | Helsinki, 1929–91, Finn. Phil. Fed. 1981–91 |
| Finland | Linder, Leo | Helsinki 1970, b. 1910 |
| Finland | Liphschutz, Michel. Photo | Neuilly-sur-Seine, 1910–94, AIEP 1982–94 |
| Finland (Aunus) | Lundmark, Elis | Helsinki, b. 1895, SF expert |
| Finland (preadhesive postal history) | Mattila, Esa | Espoo, Finn. Phil. Fed. 2009–2011 |
| Finland | Menzinsky, Dr. Georg. Photo | Djursholm (Sweden) 1961, d. 1981 |
| Finland | Moskauer Briefmarken-Sammler | Moscow 1897, phil. society |
| Finland | Oesch, Herbert | Espoo, 1925–2006, Finn. Phil. Fed. 1981–2006 |
| Finland | Olamo, Juhani (V.) | Helsinki, 1940–2010, Finn. Phil. Fed. 1981– 2001 2006–2010, AIEP 1998–2010, [FFE3, PE]. |
| Finland | Ossa, Mikko (in manuscript) | Kokemäki (formerly of Turku), b. 1939, Finn. Phil. Fed. 1981–93. Note |
| Finland | Pelander, Carl E(inar) | New York NY, 1894–1966, dealer. Note |
| Finland | Peltonen, Lauri ('LaPe') | Hanko (Finland), dealer, in use 1930s |
| Finland | Ponsio, Ilmari ('IP'). Photo | Tampere, dealer, in use 1930s |
| Finland (1875) | Reinikainen, Heikki | Helsinki, b. 1937, Finn. Phil. Fed. 1996– |
| Finland (pre-1875) | Rosenius, Dr. Carl | Helsinki 1961 |
| Finland (incl. Aunus etc.) | Rudolph, Hans | Cossebaude (Germany), BPP 1991 |
| Finland (esp. 1975–82) | Salmenkylä, Anton. Certif. Photo | Helsinki 1961 1974, b. 1910 |
| Finland (incl. Aunus, Karelia, North Ingermanland) | Schwenson, Cyril | Bad Bevensen, BPP 2000, Finn. Phil. Fed. 2010–. |
| Finland | Seligson | Turku?, dealer, in use 1930s |
| Finland | Schwindt, Holger ('HSdt' monogram) | Helsinki, 1899–1955, FFF exp. comm. 1932– |
| Finland (esp. Aunus) | SF + inverted, 2 (in square). Note, 2 | Suomen Filatelistiseura, Helsinki, in use 1922–40s |
| Finland (incl. Åland, Aunus, Karelia, North Ingermanland) | Smith, Jay | NC USA, dealer, expert under own name 2003–, APS expert |
| Finland | Strandberg, Selim ('S. S:berg') | Turku, 1889–1942, dealer, in use 1930s |
| Finland (first issue) | Sundman, Christian | Espoo, 1933–94, Finn. Phil. Fed. 1981–94 |
| Finland | Tillhör H.F.F. | Owners mark, see Helsingfors F... |
| Finland | Treschkow, P. von | Rüttenscheidt (D) 1897 |
| Finland (1856, 1860, 1866) | Tuori, Jussi | Espoo, b. 1940, Finn. Phil. Fed. 1999–2010 |
| Finland (incl. Aunus) | Vaarnas, Kalle. Photo. (Certif.) | Helsinki, d. 1990, BPP 1961, Finn. Phil. Fed. 1981–90 |
| Finland (1975, comm. 1975–2001) | Väätäinen, Lauri | Kuopio, expert 2009–, Finn. Phil. Fed. 2009– |
| Finland | Volin, Herbert R. Note | Calif. USA 2005, APS and PF expert |
| Finland (esp. North Ingerm.) | Walli, Harry W. ('H.V.') | Helsinki, 1900–1970 |
| Finland (1889) | Waris, Pentti | Jyväskylä, Finn. Phil. Fed. 1996–2021. |
| Finland | Wasenius, K. A. ('CW' in oval) | Helsinki, dealer, in use 1930s |
| Finland | Wasenius, Leonhard | Helsinki 1897 |
| Finland | Witschi, Hans | Sumiswald 2001, SBPV until c. 2002 |
| Finland | Wolff, Dr. | Germany? |
| Finland | Zierer, Hanns, H. B. Zierer, Hans Zierer, Zierer HBP (from 1991, forged). Some are dealer's marks. | Burglengenfeld 1976 2005, dealer, now independent expert, BPP 1968–91 |
| Finland (local posts) | Sundman, Jacobus. Photo | Helsinki, 1916–2008, Finn. Phil. Fed. 1981–2008 |
| Finland (stamp booklets) | Kähäri, Heikki (Kahari) | Luxembourg, Finn. Phil. Fed. 2004– |
| Finland (postal stationery) | Krook, Carl | Turku, 1916–88, dealer (Stampco), Finn. Phil. Fed. expert 1981–88 |
| Finland (postal stationery) | Nykvist, Göran. Photo | Kauniainen, 1932–2006, Finn. Ph. Fed. 1996–2006 |
| Finland (postal stationery) | Pietilä, Juhani | Turku, b. 1941, Finn. Phil. Fed. 1990–2021 |
| Finland (killer postmarks) | Elo, Hannu | Tampere, b. 1948, Finn. Phil. Fed. 1990– |
| Finland (killer postmarks) | Laitinen, Aaro | Pori, Finn. Phil Fed. 1981–90 |
| Finland (killer postmarks) | Weber, Reinhard | Järvenpää, b. 1943, Finn. Phil. Fed. 1990–2020 |
| Finland (pre-philately) | Pahlman, Heikki | Tampere, d. 2006, Finn. Phil. Fed. 1996–2006 |
| Fiume | ÁcsJenö (Acs). Note | Dr. Jenö Ács, 1920s, forged, [Flasch] |
| Fiume (forged) | Abonyi, Jenö | Budapest 1949, dealer, [Flasch] |
| Fiume | Antoniazzo, V. (Vincenzo?) | [Flasch] |
| Fiume | Benussi, Ruggero | Bolzano, 1924–2004, expert 1948–2003, AIEP 1964–2003, [FFE6] |
| Fiume | Egtc (or Egte or Eqtc) | . |
| Fiume | Erdödi, Dr. János (in script) | Trieste 1943, dealer, [Flasch] |
| Fiume | Fischbein, Karl | . |
| Fiume (ovpt) | Flasch, Dezsö | Budapest 1998, d. 2006, expert on overprints, [Flasch] |
| Fiume | Frese | . |
| Fiume | Granitz, Edmondo | Fiume, 1896(or98)–WW2 (killed; stateless Jew, b. Hungary), dealer |
| Fiume | Hudin, Ivo | [Flasch] |
| Fiume | Káldor, Dr. | . |
| Fiume | Kemény, Andor (Kemeny) | Oradea, dealer, [Flasch] |
| Fiume | Kleysl?, Károly | [Flasch] |
| Fiume | Koopman, Herman | Amsterdam, later Kalmthout (Belgium), dealer, d. c. 1987, BPP, AIEP 1968–87, reliable, [Flasch] |
| Fiume | Kranik (Kronik?) | Leonard Kranik |
| Fiume | MP (in circle) | On forged only, [Flasch 122] |
| Fiume | Martinaš, Ivan | Rijeka 2007. Note |
| Fiume | Oliva, Guglielmo. Certif. | Genoa 1949 1961, 1900–1969, dealer from 1920s, great expert, AIEP 1954–69 |
| Fiume | Pape, Heinz. Note (forged) | Used by Géza Tarján, dealer, forger, [Tyler, Flasch 130] |
| Fiume | Pátkai (Patkai) | On genuine, [Flasch] |
| Fiume | Petric, Nicola | Zagreb |
| Fiume | PN (in oval) | On forged, [Flasch] |
| Fiume | Ricotti, Umberto | Fiume, [Flasch] |
| Fiume | Rjaci | On genuine, [Flasch] |
| Fiume | Rogina, Nenad. Certif. | Varaždin HR, HSF 2014– |
| Fiume | Rogina, Nenad | BPP 2015– |
| Fiume | Stiedl, Otto E. | Vienna 1935 |
| France | Baudot, Jean-François (manuscript) | Bourges (France) 2001. Note |
| France | Beaufond, Edgar Huyghes de | Paris 1943, 1886–1964, dealer. Note |
| France | Behr, Bernard. Certif. | Paris, b. 1924, dealer, expert 1954–, AIEP 1974–, [PE] |
| France | Bellenger, Gerard | Normandy 2000, status uncertain |
| France | Bellion, P. | Paris 1943, dealer |
| France | Berck, Edouard | Paris 1961, c. 1900–94, dealer, AIEP 1954–94 |
| France | Bogquet | . |
| France | Boule, Maurice | Monaco 2002, Paris 1999, b. 1943, dealer, expert 1987–, AIEP 2002–, [FFE6, PE] |
| France | Bouvet, Dr. Pierre | Paris 1943. Note |
| France | Chevalier, Jean | [Thomas Berger, CH] |
| France | Chevassu, Dr. Maurice | Paris 1949, (1877–1957 ?). Note |
| France | Cividini, Jean, Paris | Paris, dealer, c. 1910–60, not reliable [cf. Sperati II, Tyler] |
| France (1900–) | Cohen Sabban, Albert | Paris, b. 1945, dealer, expert 1980–, AIEP 2000–, [FFE4, PE] |
| France | Dillemann, Paul (manuscript) | France, 1886–1936 |
| France | Dreyfus, Alain | The Mulhouse dealer? |
| France | Eisold, Lothar | Lahr (form. Dresden), 1930–2002, BPP 1990–2002 |
| France | Fourcaut, Jean-Claude | Le Vésinet (France) 2002, dealer. Note |
| France | Françon, Robert | Latour de Salvagny (France), 1932–99, AIEP 1992–99 |
| France | Frégnac, Émile | Paris 1943. Note |
| France | Garcia, Filatelia (cf. Filatelia Madrid) | Madrid, dealers |
| France (–1900) | Goebel, R(aymond, Dr.) (manuscript) | Luxembourg, b. 1950, expert 1980–, AIEP 1998–, BPP 2003, [FFE3, PE] |
| France | Herbst, Lothar | Helmstedt, BPP 2003 |
| France | Hofinger, Wilhelm | Munich, 1895–1975, BPP 1958–, AIEP 1954–75 |
| France | Husemann, Franz | Gladbeck/W. 1950 |
| France | Laroze | Georges L., Givors, dealer ? |
| France (pre-1900) | Lievsay, John E. (Works as member of committee.) | Old Greenwich (CT, USA), b. 1932, expert 1979–, AIEP 1999–, [FFE2, PE] |
| France | Mahé, Pierre-Marie | Paris, 1833–1913 |
| France | Marchand, G. | Paris 1949, dealer |
| France (modern specialities 1940–) | Marziano, Pascal. Certif. | Cap d'Ail (F) 2007, ASPPI. Note |
| France | Meinertzhagen, Louis Ernest | London 1926, 1887–1941, RPS Expert Comm. |
| France 1900– | Monteaux, Georges | Paris, AIEP 1970–90 |
| France | Nyman, Arnold | Helsinki, 1916–2006, Finn. Phil. Fed. 1981–2004 |
| France | Petrocelli, David | New York NY 2001 |
| France | Pigeron, Xavier | Paris 2002, dealer 1964– |
| France | Pileur, Jacques Le | Paris 1943, 1880–1969. Note |
| France | Pothion, V. (Vincent) | Paris, b. 1950, dealer, [FFE2] |
| France (and areas) | Robineau, F. A. | France 1966 1990 |
| France | Roig, Ramón | COMEX 1996 |
| France | Schollmeyer, Dr. Wolfgang | Leipzig, 1931–98, BPP 1991 |
| France | Schroedter, Victor | Paris 1897 |
| France | Stemien, Martin F. | New York NY 2001 |
| France | Tollu, Charles | Paris 1943. Note |
| France | Tournié, H(enry) | Paris 1943, dealer |
| France (cancellations) | Noël, Gilbert | Cathou (France), 1920–92, AIEP 1970–92 |
| France (cancellations, pre-adh.) | Pothion, Jean-Jacques | Paris, 1918–87, AIEP 1970–82 |
| France (postal history) | Schneider, Albert M. | Paris, b. 1945, dealer, expert 1972–, AIEP 1988–, [FFE4, PE] |
| France (postal history) | Sinais, Bertrand | Paris, b. 1953, dealer, expert 1984–, AIEP 1992–, [FFE3] |
| France (Ballons Montés) | Robineau, Jacques | Paris 1949, 1913–91, dealer, AIEP 1970–91 |
| France and Colonies | Behr, Georges | Paris, b. 1893, founded the shop in 1920 |
| France and Colonies | Behr, Pascal Olivier | Paris, b. 1962, dealer, expert 1991–, AIEP 2001–, [FFE6, PE] |
| France and Colonies | Blanc, Robert (metal hand stamp) | Paris 1943, dealer |
| France and Colonies | Brun, Aimé. Photo. Certif. Note. Advert. | Paris 1926, 1887–1969, dealer 1926. Note 2 |
| France and Colonies | Brun, Jean-François. Photo. Note | Paris, b. 1943, expert 1970–, BPP 1984, AIEP 1970–, [FFE2, 3 (p. 167) 6, 7, PE] |
| France and Colonies | Calves, Christian. Certif. | Paris, 2009–, dealer. Positions |
| France and Colonies | Calves, R(oger) (in script (often worn); and in manuscript) | Paris, b. 1921, dealer, AIEP 1960–99, BPP 1984 (no longer). Note |
| France and Colonies (ovpt.s) | Carion, Georges. Advert.1, Advert.2 | Paris 1926, dealer, forger and 'expert', advertised in 1909, [Tyler; Brühl p.492] |
| France and Colonies | Chalot | Paris dealer Chagot? |
| France and Colonies | Ferroud Paris, A. | Paris, dealers f. 1889 |
| France and Colonies | Gluksman, E. | Paris 1949, dealer |
| France and Colonies | Isaac, Charles | Marseille, b. 1922, dealer, expert 1950–, AIEP 1975–, [FFE3, PE] |
| France and Colonies | Jacquart, Alain. Certif. | Paris, dealer. Positions |
| France and Colonies | Jamet, Claude | France 1998 |
| France and Colonies | Loeuillet, Roger-Louis | Nice, b. 1926, expert 1979–, AIEP 1987–, [FFE3, PE] |
| France and Colonies | Lossau, J. | Hamburg 1897 |
| France and colonies | Marconnet, M. | Nancy 1897 |
| France and Colonies | Margue, Claude | Paris, AIEP 1964–87 |
| France and Colonies | Mendelsohn Paris, B. | Dealer? |
| France and Colonies | Miró, Léon (Miro) (The trading name of Léon-Pierre Margue) | Paris, 1894–c.1975, dealer c. 1930–65, AIEP 1968–75. Note |
| France and Colonies | Mozu | . |
| France and Colonies | Pavoille (boxed, three lines: PA VOI LLE), also: Pavoille Paris (two lines) | Emile P., Paris 1926, dealer, also on forged, [Flasch] |
| France and Colonies (–1886) | Pfenninger, Franz (forged, another forged) | Munich 1950, 1905–86, BPP 1958–, AIEP 1954–86 |
| France and Colonies | Roumet Exp., 2 (Roumet in circle) | Alexandre and Philippe R., Paris 2000, dealers f. 1896 by Octave R. |
| France and Colonies | Roumet, Alexandre. Certif. | Paris 2002, cf. below |
| France and Colonies | Roumet, Octave | Paris 1926, dealer |
| France and Colonies | Roumet, Philippe | Paris, b. 1921, dealer (Maison Roumet), AIEP 1954–c.56 |
| France and Colonies | Thiaude, Henri | Paris 1943 1961, 1901–64, dealer, catalogue ed., AIEP 1954–64 |
| France and Colonies | Weid, Alain von der ('+Weid.' in manuscript). Certif. | Geneva 2001, SBPV until c. 2002 |
| French Colonies (general issues) | Lievsay, John E. (Works as member of committee.) | Old Greenwich (CT, USA), b. 1932, expert 1979–, AIEP 1999–, [FFE2, PE] |
| French Colonies (general issues) | Schollmeyer, Dr. Wolfgang | Leipzig, 1931–98, BPP 1991 |
| French Colonies | Bernichon, Jules, Paris. (Jules Anthoine) | Paris, d. 1911, dealer, mark forged by [Wondelgem] |
| French Colonies | Gustafson, Bertil | Sweden? |
| French Colonies | Lemaire, Th.(eophile), script | Paris 1926, dealer (t.a. Maison Arthur Maury, q.v.), exhibitor |
| French Colonies | Marquelet | France?, dealer |
| French Colonies | Pascal ? | . |
| French Colonies | Reine, G. | Paris, 1920s, dealer, [Flasch] |
| French PO Crete | Schmitt, Joh. Ulrich | Diessen a.A. 2003, Munich, b. 1936, expert 1965–, BPP 1968, AIEP 1982–, [FFE5, PE] |
| French PO Levant | Miehe | . |
| French PO Levant | Rohr (two, one in script) | . |
| Gabon | Seefeldner, Gustav, Prof. GS + heron, 'SG' (in circle) | Salzburg 1896, Vienna pre-1950, UPV, [Wilhelm van Loo] |
| Georgia | Arcadjan (or Agadjan(ian)), F. | Paris?, on forged |
| Georgia | Ceresa, Dr. R. J. in green, often smudged; RJC (note) | Raymond J. Ceresa, England 2001, expert 1977. Note |
| Georgia | Ignatoff–experts–Paris, N. | Also on forged. |
| Georgia | Jem, Dr. P., jem (in oval). Echt (as additional mark). Certif. | Dr. Paul Jemtschoujin, Dresden, later Mt. Kisco NY (USA), dealer 1920–60s; also on forged. Note |
| Georgia | Kief (in German type) | Also on forged |
| Georgia | Lissiuk, New York | Kalenik L., New York NY, 1889–1980, dealer 1924–44, also on forged. Note |
| Georgia | Mozian, Vahan ('VM') | New York NY dealers/auctioneers Vahan Mozian Inc, 1901–c.1950, also on forged |
| Georgia | Nicklin, John W. | New York NY 1949, dealer, also on forged |
| Georgia | PLC | Also on forged. |
| Georgia | Pohl, Waldemar (Woldemar?) | Bamberg 1950, 1903–69, BPP 1961, generally reliable, also on forged |
| Georgia | R!S! | Also on forged |
| Georgia | Revest, A. | Also on forged |
| Georgia | Rosselevitch, Anatoly ('Ross, 2') | Brussels 1949, later USA, d. c. 1980, dealer |
| Georgia | Serebrakian, Souren David, 'SER' (in rectangle). S. Serebrakian Inc. | Monroe NY, in Brussels (1931 1949), 1900–91, dealer, also on forged. Note |
| Georgia | Vigor, Dr. | Also on forged |
| German area (mainly) | Aufdruck falsch | German for "Forged overprint" |
| German area (mainly) | Prüfzeichen falsch | German for "Forged exp. mark" |
| German area (mainly) | Stempel falsch | German for "Forged postmark" |
| German States | Altmann | On forged, forged |
| German States | Arkel, .. W. von, Bremen, 2 | Bremen, dealer |
| German States | Berger, Florian. Certif. | Limburg, b. 1939, dealer, BPP 1980 |
| German States | Birnbaum | Note |
| German States | Brandes, W., 2 (in script) | Probably: Willi B. Jr, Berlin 1943, dealer |
| German States | Drahn, August Wilhelm, A. W. Drahn | Cologne 1943 and 1961, Bad Kissingen 1950, 1893–1974, dealer, Michel catalogue consultant (for pre-1918 listings), BPP 1958–, AIEP 1954–74 |
| German States | Franke Berlin | Berlin |
| German States | Gentzsch | . |
| German States | Grobe, Hans; Grobe (forged) | Hannover 1943, 1899–1994, auctioneer, BPP 1958–, AIEP 1954–82 |
| German States | Hoffmann-Giesecke, Günter | Düsseldorf, 1909–79, BPP 1961 |
| German states | Kiehnle, Ferd. | Pforzheim 1897S |
| German States | Krumhaar, Otto | Hamburg 1950, 1888–1967, Edgar Mohrmann auctions, BPP 1961, AIEP 1958–67 |
| German States | Kruschel | . |
| German States | Krüger, Krgr (Kruger, Krueger) [also on forged] | Paul K., Berlin-Grünewald, pre–WW2, same as J. Krüger? |
| German States | Leonhard | . |
| German States | Marx, Dr. | . |
| German States | Metzer | . |
| German States | Müller-Mark, Ewald (Muller-Mark) | Berlin-Lankwitz 1950, b. 1902 |
| German states | Pfaff, C. | Hannover 1897 |
| German states | Püschel, A. | Berlin 1897 |
| German states | Reinheimer, A. | Frankfurt 1897 |
| German States | Stock, Ernst | Berlin, dealer 1889–1931 |
| German States | Taubes | . |
| German States | Udam, D. | Netherlands |
| German States | Walter | . |
| German States | Wolff, Dr. | Germany? |
| German States | Zechmeyer | G. Zehmeyer, Nuremberg c. 1900 ? |
| German States (in the north) | Lange, Carl H., 2 | Hamburg 1950 1961, respected dealer |
| German States (Baden) | Ehret, Dr. Karl Th. | Sinsheim-Ehret 1935, Freiburg 1950 |
| German States (Baden) | Englert, Josef | Aschaffenburg, BPP 1984 |
| German States (Baden) | Frey, Ch. Th. | Freiburg/Br., BPP 1961 |
| German States (Baden) | Seeger, Wolfram | Kassel, 1911–83, BPP 1976, AIEP 1975–83 |
| German States (Baden) | Simon, Siegfried | Karlsruhe 1935, Newark NJ 1950, b. 1895 |
| German States (Baden) | Willadt, Carl | Pforzheim 1897 |
| German States (Baden, Bavaria 1849–75, Oldenburg) | Stegmüller, Franz (Stegmuller) | Vaterstetten, BPP 2001 |
| German States (Baden, NDP, Prussia) | Flemming, Wolfgang (forged) | Leipzig, BPP 1991 |
| German States (Baden, Thurn & Taxis) | Glasewald, Arthur Ernst ('A.E.') | Gössnitz, 1861–1926, dealer, father of Georg and Ruprecht, [Brühl p.497] |
| German States (Baden, Wurttemberg) | Unverferth, Max | Pforzheim 1935, dealer, BPP 1958– |
| German States (Bavaria 1876–1920 and Infla, Thurn & Taxis) | Helbig, Dr. Joachim (forged) | Aschheim 2003, Munich, b. 1949, expert 1979–, BPP 1980, AIEP 1992–, [FFE4, PE] |
| German States (Bavaria pre-adh.) | Pietz, Friedrich | Nuremberg, BPP 2001 |
| German States (Bavaria air mails) | Brettl, Cornelia | Vaterstetten, BPP 2004– |
| German States (Bavaria) | Brunner, Joh. | B. 1874 |
| German States (Bavaria) | Frey, Leopold | Deggendorf/Ndg 1961, 1898–1964 |
| German States (Bavaria) | May, U. | . |
| German States (Bavaria Infla) | Oechsner, Dr. Helmut P. | Nuremberg, b. 1951, expert 1974–, BPP 1976, AIEP 1991–, [FFE3, PE] |
| German States (Bavaria) | Schmitt, Joh. Ulrich | Diessen a.A. 2003, Munich, b. 1936, expert 1965–, BPP 1968, AIEP 1982–, [FFE5, PE] |
| German States (Bavaria) | Stach, Alfons, 2 | Prague, New York NY 1939, dealer |
| German States (Bavaria) | Stenger, Prof. Dr. Erich | Berlin-Charlottenburg, 1878–1957 |
| German States (Bavaria) | Thier, 2 (both in German type; 'T' twice on used stamps). Note | Max Thier, Berlin-Charlottenburg, 1852–1925, renowned expert 1890–1920 |
| German States (Bavaria Mi 37–75) | Vogel, Jürgen | Neufahrn, BPP 2001–05 |
| German States (Bergedorf and Mecklenburg-Strelitz) | Werner, Dr. A(lbert) | Erlangen 1935, b. 1878 |
| German States (Bergedorf, Lubeck) | Rommel, Dr. O. | Leipzig 1897 |
| German States (Bergedorf, Lubeck, NDP) | Krötsch, Hugo (Krotsch, Kroetsch) | Leipzig, 1858–1937, dealer |
| German States (Bergedorf; Vineta) | Mozek, Dr. Christian | Willich, BPP 2001 |
| German States (Bremen) | Fischer, Dr. Peter | Scheessel, b. 1937, BPP 1984 |
| German States (Bremen) | Heitmann, Claus | Munich, BPP 2008– |
| German States (Bremen) | Koch, August | Bremen, BPP 1968 |
| German States (Bremen) | Neumann, Till | Bremen, b. 1972, dealer, BPP 1997–, AIEP 2004–, [FFE8] |
| German States (Bremen) | Rinsch, Heinrich | Essen-Stadtwald 1950, 1890–c.1975, BPP 1961, AIEP 1954–75 |
| German States (Bremen) | Rummel, Wilhelm | Bremen 1935 1950, 1885–1959 |
| German States (Brunswick 1864) | Rühland, Gustav (Ruehland) | Braunschweig, 1859–1932 |
| German States (Brunswick) | Berger, L. | Braunschweig 1897 |
| German States (Brunswick) | Dannenbaum | Essen 1935 |
| German States (Brunswick) | Friedel, A. | Vienna, collector |
| German States (Brunswick) | Lange, Gertraud | Hamburg, BPP 1991 |
| German States (Brunswick, Thurn & Taxis) | Köhler, H., 2, 3, 4. (= Koehler, Kohler) | Heinrich K., 1881–1945; dealers f. Berlin 1913, started expertising before 1934, Wiesbaden 1949, (cf. Gilbert & K.), in use c. 1960–95 (?), [Brühl] |
| German States (esp. Bavaria, air mails) | Brettl, Maria | Vaterstetten, b. 1930, expert 1964–, BPP 1968–10, AIEP 1968–, [FFE3, PE] |
| German States (Bergedorf, Hamburg, Schleswig- Holstein) | Jakubek, Wolfgang | Hamburg, Giekau 2002, BPP 1976 |
| German States (Hamburg) | Lossau, J. | Hamburg 1897 |
| German States (Hamburg) | Löhden, Klaus (Lohden, Loehden) | Schwarmstadt, BPP 1980 |
| German States (Hannover and Prussia) | Rasche, Walter | Bad Neundorf 1950, Hannover, BPP 1961 |
| German States (Hannover, Mecklenburg-Schwerin) | Korte, Wolfgang | Würzburg 1950 |
| German States (Lubeck) | Schulze, W. | Germany, pre-WW2 |
| German States (Mecklenburg-Schwerin) | Peters, Herm. | Bremen 1897 |
| German States (Mecklenburg-Strelitz) | Schulz, Oscar | Hamburg, BPP 1961 |
| German States (NDP (Alsace-Lorraine)) | Bauër, Henry | Strasbourg 1926, dealer |
| German States (NDP and Alsace-Lorraine) | Blecher, Friedrich Wilhelm. Certif. | Essen, Winterberg, 1924–2000, BPP 1976, AIEP 1976–98 |
| German States (NDP and Alsace-Lorraine) | Mehlmann, Volker | Dormagen, BPP 1991 |
| German States (NDP and Alsace-Lorraine) | Spalink, Friedrich | Freiburg, b. 1919, BPP 1976 |
| German States (NDP) | Sebastian, Fritz | Hannover 1950, BPP 1961 |
| German States (NDP: Alsace-Lorraine) | Vienot, J. | Mülhausen 1897 |
| German States (Oldenburg) | Kauert, Richard | Borgstede/Varel 1950, 1907–c.87, BPP 1961, AIEP 1957–87 |
| German States (Oldenburg, Bremen) | Ohrt, Major Paul | Düsseldorf 1926, 1867–1944 |
| German States (Prussia) | Becker, Ing. Ernst (forged). (Ing. = Engineer) | Anklam 1935, Hamburg 1950, 1894–1971, BPP 1961, AIEP 1954–71 |
| German States (Prussia) | Bringmann, Dr. Wolfgang | Berlin, BPP 1991 |
| German States (Prussia) | Meier, Heinrich | Munich, b. 1928, BPP 1969–80 |
| German States (Prussia, and other) | Kastaun, Jürgen | Münster, BPP 1980 |
| German States (Prussia, Saxony, Thurn & Taxis) | Opitz, Walter A. (forged) | Netzschkau 1920 1935 1950, Oberhöch- stadt/Taunus, 1877–1968, BPP 1958–, AIEP 1956–68 |
| German States (Saxony) | Pröschold, Horst K. W. (Proschold, Proeschold) | Frankfurt/M., 1922–89, BPP 1976, AIEP 1975–89 |
| German States (Saxony) | Rismondo, Tilo. Certif. | Chemnitz, b. 1938, BPP 1991, VÖB |
| German States (Saxony, and others) | Engel, R. F., (also Fa R. F. E.) (Robert) | Hamburg 1897 1943, dealer, father of W. Engel |
| German States (Saxony) | Dietrich, Artur; 2 | Leipzig 1950, Büttgen 1976, BPP 1961 |
| German States (Schleswig-Holstein) | Andersen, Hans | Flensburg 1950, 1882–1965, BPP 1961 |
| German States (Schleswig-Holstein) | Lüders, Prof. | . |
| German States (Schleswig-Holstein) | Møller, Carl Aage (Moller, Moeller) | Greve Strand (DK), b. 1956, expert 1986–, AIEP 2000–, BPP 2001, [FFE4 5, PE] |
| German States (Schleswig-Holstein) | Rosenkrantz, Albin | Kiel, 1851–1913 |
| German States (Thurn & Taxis pre-adh.) | Gambert, Ludwig | Hammelburg-Obererthal, BPP 1996 |
| German States (Thurn & Taxis) | Eckardt, Dr. Moritz | Garmisch-Partenkirchen 1950, BPP 1961 |
| German States (Thurn & Taxis) | Haferkamp, Dr. Hans | Mainz, b. 1906, BPP 1958– |
| German States (Thurn & Taxis) | Kleeberg | Germany? |
| German States (Thurn & Taxis) | Kleinecke | Germany? |
| German States (Thurn & Taxis) | Nickel, Jürgen | Nauen, BPP 1991 |
| German States (Thurn & Taxis) | Reum, Dr. Kurt | Meiningen (DDR), 1913–83, AIEP 1972–83 |
| German States (Thurn & Taxis) | Ton, Max | Weimar, 1882?–1951 |
| German States (Thurn & Taxis, Bavaria –1875) | Sem, Peter | Gundelsheim, b. 1950, BPP 1991 |
| German States (Thurn & Taxis) | Schloss, J. H. | Frankfurt a.M. 1897 |
| German States (Wurttemberg Official Mi 101–) | Emmel, F. | Stuttgart-Untertürkheim, BPP 1961 |
| German States (Wurttemberg) | Hederer, Dr. Friedrich | Lorch 1950, BPP 1961 |
| German States (Wurttemberg) | Heinrich, Thomas. Certif. | Winnenden, b. 1966, BPP 1996– |
| German States (Wurttemberg) | Irtenkauf, Klaus | Friedrichshafen 2001, BPP 2003 |
| German States (Wurttemberg) | Reinhardt, Theodor | Stuttgart 1897 |
| German States (Wurttemberg) | Schmidt, W. | Hattenheim (D) 1897 |
| German States (Wurttemberg) | Thoma, Heinz (this hand stamp has gone astray; forged). Certif. | Winnenden, b. 1928, BPP 1968–98 |
| German States (Württemberg Mi 44–62, Official) | Klinkhammer, Hubert | Hirschlanden, Ditzingen, d. 1997, BPP 1968 |
| German States (Württemberg) | Sieger, Hermann W(alter) | Lorch/Württ. 1950 2003, b. 1928, dealers (Hermann E. Sieger f. 1922), expert 1955–, BPP 1961, AIEP 1956–, [FFE4, PE] |
| German States (Wurttemberg Mi 44–62 & Official) | Winkler, Hartmut | Owen/Teck 2004, prev. Kirchentellinsfurt (D), b. 1943, BPP 1991 |
| Germany and States | Bühler, Georg 2 (+forged twice). Certif. Ads. (Buhler, Buehler) | Berlin, auctioneer 1931–, dealer 1943, expert, BPP 1961. Note |
| Germany and States (esp. Hamburg) | Engel, Walter, 2 (BPP), (both forged) | Hamburg, 1914–82, BPP 1961, AIEP 1978–82 |
| Germany and States | Kraft, Jürgen (Juergen, Jurgen) | Canary Is. 2005, former dealer. Note |
| Germany and States (esp. Bavaria) | Krause, H(orst), (also 'HK') | Germany pre-WW2, well-reputed dealer |
| Germany and States | Maier Berlin, M. Kurt (very small size), 2 | Michael Kurt M., Berlin, 1885–1949, dealer, expert –1931 |
| Germany and States (esp. Bavaria) | Pfenninger, Franz (forged, another forged) | Munich 1950, 1905–86, BPP 1958–, AIEP 1954–86 |
| Germany and States | Piechotte, Max ('P.X.M.') | Berlin, dealer or collector mark |
| Germany and States | Starauschek, Friedrich (expert of Heinrich Köhler) | Berlin-Tempelhof & Wiesbaden 1950, Berlin-Charlottenburg 1961, BPP 1961 |
| Germany and States (–1944) | Ritter, Hermann | Zurich 1949, official expert 1949 |
| Germany and States (Thurn & Taxis among others) | Sommer, Dr. Erwin | Braunwald (Switzerland), 1912–91, BPP 1958–, AIEP 1978–91, forged, on forged |
| Germany and States | Vossen, Friedr. Karl (+forged) | Düsseldorf-Oberkassel 1950, 1912–84, BPP 1958–, AIEP 1954–75 |
| Germany (Infla incl. Official) | Bechtold, Günter (forged) | Weilheim, b. 1930, expert 1984–, BPP 1991, AIEP 1991–2001, [FFE3] |
| Germany (Infla colours) | Burneleit, Albert | Berlin 1942 1961 |
| Germany (Infla incl. Official) | Düntsch, Dr. Gerhard (Infla Berlin) (forged) (Duentsch) | Berlin-Lichterfelde, BPP 1961 |
| Germany (Infla) | Emmel, F. | Stuttgart-Untertürkheim, BPP 1961 |
| Germany (Infla incl. Official) | Gaedicke, Fritz (Infla Berlin) | Berlin-Spandau, b. 1923, BPP 1958– |
| Germany (Infla) | Grimm | Germany, 1930s to 40s |
| Germany (Infla 1923) | Infla Berlin (+forged twice). See also Echt... | Berlin 2002, expert committee. Note |
| Germany (Infla) | Kobold, Gustav | Germany, 1885–1945 (b. 1865?) |
| Germany (Infla incl. Official) | Kowollik, Dr. Gotthard | Berlin, BPP 1991 |
| Germany (Infla) | Kurze, Günther | Halle/Saale, BPP 1991 |
| Germany (Infla incl. Official, Germania issues) | Oechsner, Dr. Helmut P. | Nuremberg, b. 1951, expert 1974–, BPP 1976, AIEP 1991–, [FFE3, PE] |
| Germany (Infla) | Ritter, Franz | Munich, BPP 1958– |
| Germany (Infla incl. Official) | Tworek, Rolf | Soest (D), b. 1943, BPP 1982– |
| Germany (Infla) | Zirkenbach, Kurt | Halle/Saale 1950, 1895–1972 |
| Germany | Adam & Söhne (= sons) | Germany, dealers |
| Germany (postal stationery?) | Beckhaus, Walter | Berlin, BPP 1961 |
| Germany | Biesecke, Franz | Berlin 1950, 1888–1966, BPP 1961 |
| Germany (incl. all areas) | Bohne, Dr. Werner M. Note | Longwood FL, 1920–1998, AIEP 1985–98 |
| Germany | Bothe, Hans (forged twice) | Berlin-Tempelhof, deceased, BPP 1961 |
| Germany (Mi 1–30) | Brugger, Guido | Meckenbeuren, BPP 1996 |
| Germany | Busch, Werner | Berlin-Wilmersdorf 1950 |
| Germany and areas | D | Reported to be a mark of Dr. Dub, q.v. |
| Germany | Decker, Hermann ('D'). Note | Hannover, dealer, expert 1880–, replaced genuine with forged 1897 [GSM 1897–8] |
| Germany | Dieckelmann, Pfarrer (d (in circle)) | Germany, dealer or collector |
| Germany | Diena, Dr. Enzo. Certif. Note | Rome, 1927–2000, expert 1950–, AIEP 1975–2000, BPP 1980, son of Alberto, [FFE3] |
| Germany (pre-1918) | Drahn, August Wilhelm, A. W. Drahn | Cologne 1943 and 1961, Bad Kissingen 1950, 1893–1974, dealer, Michel catalogue consultant (for pre-1918 listings), BPP 1958–, AIEP 1954–74 |
| Germany (1916–45) | Fleiner, Udo | Stutensee-Büchig, BPP 2001 |
| Germany (pre-1900) | Fleming | . |
| Germany (excl. Infla) | Frey, Leopold | Deggendorf/Ndg 1961, 1898–1964 |
| Germany | Fulpius, George(s), Dr. ('G.F.' ?, GF in manuscript) | Geneva 1949, 1886–1955, official expert 1949, AIEP 1954–55 |
| Germany | Germania-Ring (the expert committee of) | Germany (Essen?), 1897–WW2, ass. of German, Austrian and Swiss phil. soc. |
| Germany (private locals) | Glasewald, A. E. | Hamburg-Wandsbek 1961, dealers (Ruprecht Glasewald 1904–83) |
| Germany (private locals) | Glasewald, Georg | Hamburg 1950, 1895–1972, dealer |
| Germany (private locals) | Glasewald, Arthur Ernst ('A.E.') | Gössnitz, 1861–1926, dealer, father of Georg and Ruprecht, [Brühl p.497] |
| Germany incl. all areas | GPSY. Certif. | Germany Philatelic Society, USA |
| Germany (air mails, Zeppelin) | Grabowski, Heinz | Freudenstadt, BPP 1958– |
| Germany | Grallert, Wolfram | Leipzig, 1924–2014, dealer |
| Germany (air mails) | Grothe | . |
| Germany | Hall, Herbst | Dr. Herbst (Hallensia) |
| Germany (Mi 1–30) | Hennies, Josef. Certif. | Hildesheim, 1921–85, BPP 1968 |
| Germany (Germania issues, Infla colours) | Hochstädter, Dr. Dieter, 2 (forged), (Hochstaedter) | Munich, Bad Homburg, BPP 1976 |
| Germany (pre-WW1) | Hoffmann-Giesecke, Günter | Düsseldorf, 1909–79, BPP 1961 |
| Germany (air mails, Zeppelin) | Hofrichter, Reinhard | Kaufbeuren, BPP c.2001–05 |
| Germany (Mi 52–97 excl. 67, Official 1–14) | Jäschke, Paul Peter (Jaschke) | Bremen, dealer, BPP 1980, father of Michael Jäschke-Lantelme |
| Germany (Mi 52–97 excl. 67, Official 1–14) | Jäschke-Lantelme, Michael (Jaschke-Lantelme, Jaschke-L) (forged) | Berlin 2003, Bremen, b. 1962, dealer, BPP 1991 |
| Germany (Official Mi 52–64) | Klinkhammer, Hubert | Hirschlanden, Ditzingen, d. 1997, BPP 1968 |
| Germany (Mi 1–30) | Krug, Hansmichael | Frankfurt/M, b. 1948, expert 1994–, BPP 1996, AIEP 2002–, [FFE6, PE] |
| Germany (Germania issues) | Leonhard | . |
| Germany (air mails) | Martin, Felix | Chemnitz 1950 1961, 1890–c.1956, AIEP 1956–c.56 |
| Germany (Infla incl. Official) | Meyer, Bernd | Chemnitz 1991 2003, b. 1940, expert 1988–, BPP 1990– |
| Germany | Oertel, Dr. | . |
| Germany (incl. all areas) | Peinelt | Germany |
| Germany (Germania issues, 1915–45 incl. Infla) | Peschl, Eduard (forged; the first), 2 | Passau 1950, 1903–99, BPP 1961, AIEP 1954–95 |
| Germany (Mi 31–52, Field Post 17) | Petry, Claus | Hamburg, b. 1965, BPP 1996 |
| Germany (Zeppelin) | Prüss, Max (Pruss, Pruess) | Neu-Isenburg 1950 |
| Germany | Pyznar, Richard ('RP') | USA (East coast), dealer |
| Germany | Rohr (two, one in script) | . |
| Germany | Sachse, Dr. Paul ('Dr. Ps.') | Germany, dealer or collector |
| Germany (Mi 338–970, Official Mi 99–177, Bizone excl. Bauten, BRD) | Schlegel BPP (forged), 2 (forged) | Hans-Georg Schlegel, Berlin, 1922–2014, dealer, BPP 1976, AIEP 1974 |
| Germany (Mi 338–910, Official Mi 99–177) | Schlegel, Hans-Dieter | Berlin, b. 1953, BPP 1990 |
| Germany (stamp booklets) | Schmidl, Horst K. | Gröbenzell, BPP 1984 |
| Germany (excl. Infla) | Schröder, Johannes (Schroder) | Geschendorf 1950, Lubeck, BPP 1961 |
| Germany (Mi 115, 118) | Schulze, Hermann | Berlin, BPP 1961 |
| Germany (Germania issues) | Sellschopp, (Wilhelm?) | Probably dealer W. S., Hamburg, f. 1891 |
| Germany (air mails, Zeppelin) | Sieger, Hermann W(alter) | Lorch/Württ. 1950 2003, b. 1928, dealers (Hermann E. Sieger f. 1922), expert 1955–, BPP 1961, AIEP 1956–, [FFE4, PE] |
| Germany (air mails, Mi I–IV) | Simon, Dr. Joachim, 2 | Zwickau, b. 1927, BPP 1991 |
| Germany (Mi 1–30) | Sommer, Martin-W. (forged) | Weilburg, BPP 1991 |
| Germany | Spillner, K. | . |
| Austria, Germany (1923–45) | Stastny, Peter | Vienna 2010 |
| Germany (1918) | Stoebe, Roman | Berlin-Köpenick 1950, b. 1883 |
| Germany (1918) | Stuckert Düsseldorff | Anton S., Düsseldorf-Oberkassel 1943 1950, dealer (firm still existing) |
| Germany (Mi 98–337, Official) | Weinbuch, Dieter | Munich, BPP 1996 |
| Germany (Mi 31–50, Official I–II) | Wiegand, Manfred (forged) | Göttingen 2003, BPP 1991 |
| Germany (POL perforations) | Vieth, Günter | Hamburg 1988, BPP 1976 |
| Germany (Official Mi 52–64) | Winkler, Hartmut | Owen/Teck 2004, prev. Kirchentellinsfurt (D), b. 1943, BPP 1991 |
| Germany (Germania issues) | Wittmann, Dr. Heinrich | Munich, auctions (still exist), BPP 1958– |
| Germany (Mi 31–50) | Zempel, Dr. Heinrich | Nauheim, BPP 1968 |
| Germany (pre-WW1, Infla colours, Mi 37) | Zenker, Gottwin (forged) | Vienna 2004, b. 1922, BPP 1976, VÖB |
| Germany (Third Reich and areas). | Zierer, Hanns, H. B. Zierer, Hans Zierer, Zierer HBP (from 1991, forged). Some are dealer's marks. | Burglengenfeld 1976 2005, dealer, now independent expert, BPP 1968–91 |
| German PO abroad | Arkel, .. W. von, Bremen, 2 | Bremen, dealer |
| German PO abroad | Ey, Dr. Eduard ('EyEd') | Germany?, 1887–1967 |
| German PO abroad | Friedemann, Albert | Leipzig, 1867–1933, dealer (Senf?) |
| German PO abroad | Gentzsch | . |
| German PO abroad | Hindrichs, Dr. Otto | Münster, dealer, 1881–1957. Note |
| German PO abroad (Vorläufer) | Steuer, Dr. Friedrich F., 2 | Vienna, d. 1997, BPP 1991 |
| German PO abroad | Steuer, Ronald F. Certif. | Vienna 2001, VÖB, BPP 2003, son of Friedrich Steuer |
| German PO China | Jäschke-Lantelme, Michael (Jaschke-Lantelme, Jaschke-L) (forged) | Berlin 2003, Bremen, b. 1962, dealer, BPP 1991 |
| German PO China | Zöbisch (scan: Wilhelm van Loo) | . |
| German PO Levant | Hollmann, Dr. Ernst (forged) | Berlin, BPP 1991 |
| German PO Levant | Jäschke-Lantelme, Michael (Jaschke-Lantelme, Jaschke-L) (forged) | Berlin 2003, Bremen, b. 1962, dealer, BPP 1991 |
| German PO Levant | Steuer, Dr. Friedrich F., 2 | Vienna, d. 1997, BPP 1991 |
| German PO Levant | Wiegand, Manfred (forged) | Göttingen 2003, BPP 1991 |
| German PO Morocco | Jäschke-Lantelme, Michael (Jaschke-Lantelme, Jaschke-L) (forged) | Berlin 2003, Bremen, b. 1962, dealer, BPP 1991 |
| German PO Morocco | Kilian, Jürgen | Hamburg, BPP 1980 |
| German PO Morocco | Pauligk, Dr. Karl | Freiberg, BPP 1991 |
| German PO Morocco | Provinsky, Dr. Peter | Berlin, BPP 2001 |
| German Colonies | Arkel, .. W. von, Bremen, 2 | Bremen, dealer |
| German Colonies | Bishop, Rex D. | Boonton NJ (USA) 2001 |
| German Colonies | Boden, Erich | Braunschweig 1950, b. 1878 |
| German Colonies incl. GRI | Bothe, Hans (forged twice) | Berlin-Tempelhof, deceased, BPP 1961 |
| German Colonies | Brandes, W., 2 (in script) | Probably: Willi B. Jr, Berlin 1943, dealer |
| German Colonies | Dietrich, Artur | Leipzig 1950, Büttgen 1976, BPP 1961 |
| German Colonies | Ey, Dr. Eduard ('EyEd') | Germany?, 1887–1967 |
| German Colonies | Fischer, R. F. | . |
| German Colonies | Friedemann, Albert | Leipzig, 1867–1933, dealer (Senf?) |
| German Colonies | Gentzsch | . |
| German Colonies | Grobe, Hans; Grobe (forged) | Hannover 1943, 1899–1994, auctioneer, BPP 1958–, AIEP 1954–82 |
| German Colonies | Hindrichs, Dr. Otto | Münster, dealer, 1881–1957. Note |
| German Colonies incl. GRI | Hoffmann-Giesecke, Günter | Düsseldorf, 1909–79, BPP 1961 |
| German Colonies (British and French occ.) | Kilian, Jürgen | Hamburg, BPP 1980 |
| German Colonies | Köhler, H., 2, 3, 4. (= Koehler, Kohler) | Heinrich K., 1881–1945; dealers f. Berlin 1913, started expertising before 1934, Wiesbaden 1949, (cf. Gilbert & K.), in use c. 1960–95 (?), [Brühl] |
| German Colonies | Krumhaar, Otto | Hamburg 1950, 1888–1967, Edgar Mohrmann auctions, BPP 1961, AIEP 1958–67 |
| German Colonies (in Oceania, excl. GRI) | Lantelme, Dr. Horst W. (forged) | Baldham, BPP 1984 |
| German Colonies | Mansfeld, Kurt | Bad Kreuznach, BPP 1958– |
| German Colonies | Oertel, Dr. | . |
| German Colonies | Pfenninger, Franz (forged, another forged) | Munich 1950, 1905–86, BPP 1958–, AIEP 1954–86 |
| German Colonies | Rappaporte | . |
| German Colonies | Ritter, Hermann | Zurich 1949, official expert 1949 |
| German Colonies | Rohr (two, one in script) | . |
| German Colonies | Schenk, G(eorg) | On genuine, [Flasch] |
| German Colonies | Starauschek, Friedrich (expert of Heinrich Köhler) | Berlin-Tempelhof & Wiesbaden 1950, Berlin-Charlottenburg 1961, BPP 1961 |
| German Colonies | Steuer, Ronald F. Certif. | Vienna 2001, VÖB, BPP 2003, son of Friedrich Steuer |
| German Colonies | Willmann, Dr. Erich von | Munich 1950, Bad Waldsee, BPP 1961 |
| German Cameroun | Brekenfeld, Carsten | Berlin, BPP 2001 |
| German Cameroun (excl. GRI) | Eibenstein, Hubertus | Berlin, BPP 1982–2005 |
| German Cameroun | Jäschke-Lantelme, Michael (Jaschke-Lantelme, Jaschke-L) (forged) | Berlin 2003, Bremen, b. 1962, dealer, BPP 1991 |
| German Carolines | Brekenfeld, Carsten | Berlin, BPP 2001 |
| German East Africa | Herberts | . |
| German East Africa | Siebentritt, Reinhold | Gunzenhausen, BPP 1984 |
| German East Africa (Witu) | Lerche, Robert | Germany, b. 1878 |
| German Mariana Is. | Provinsky, Dr. Peter | Berlin, BPP 2001 |
| German New Guinea (excl. GRI) | Pauligk, Dr. Karl | Freiberg, BPP 1991 |
| German New Guinea | Provinsky, Dr. Peter | Berlin, BPP 2001 |
| German South West Africa | Czimmek, Ulrich | Düsseldorf, BPP 1991 |
| German South West Africa | Hoffmann-Giesecke, Günter | Düsseldorf, 1909–79, BPP 1961 |
| German South West Africa | Jäschke-Lantelme, Michael (Jaschke-Lantelme, Jaschke-L) (forged) | Berlin 2003, Bremen, b. 1962, dealer, BPP 1991 |
| German South West Africa | Meiners, Roland | Cologne, BPP 2001 |
| German South West Africa | Steuer, Dr. Friedrich F., 2 | Vienna, d. 1997, BPP 1991 |
| German Togo | Brekenfeld, Carsten | Berlin, BPP 2001 |
| German Togo (excl. GRI) | Eibenstein, Hubertus | Berlin, BPP 1982–2005 |
| German Togo | Jäschke-Lantelme, Michael (Jaschke-Lantelme, Jaschke-L) (forged) | Berlin 2003, Bremen, b. 1962, dealer, BPP 1991 |
| Germany (Allenstein, Marienwerder, Upper Silesia [also on forged]) | Landré, Dr. George (Landre) | Goslar 1950, Bremen, b. 1899, BPP 1961, AIEP 1954–c.66 |
| Germany (Allenstein) | Althen, Manfred | Bad Vilbel, BPP 1991 |
| Germany (Allenstein) | Hey, Berend (forged) | Bremen, BPP 1991 |
| Germany (Marienwerder) | EKA | On forged |
| Germany (Marienwerder) | Gallitsch, Albert? | Germany; or Ch. Gallitsch, Berlin 1949, dealer; on forged |
| Germany (Marienwerder) | Keiler, Dr. Eberhard, 2 (forged) | Munich 1950, Trier, BPP 1961 |
| Germany (Marienwerder) | SMI | On forged |
| Germany (Plebiscite) | Jendroszek, Heinrich Hubert | Lügde, BPP 2003–06, Verein Philatelistischer Prüfer |
| Germany (Upper Silesia, Schleswig) | Gruber, Gunnar | Radolfzell, BPP 2001 |
| Germany (Upper Silesia) | AHL (in 2 lines in circular box) | A suspect mark |
| Germany (Upper Silesia) | Haertel, M., Geprüft (Max H.). Typical stamp signed by him. | Germany, d. 1935, often on forged. Note |
| Germany (Upper Silesia) | Müller Leobschütz, Dr. Harry (in rectangle or in oval) (Muller) | Leobschütz (Germany), 1878–1944, often on forged. Note |
| Germany (Upper Silesia) | Weinberg, Dr. Fritz | Bad Münstereifel-Eschweiler, BPP 1991 |
| German occ.s WW1 | Hey, Berend (forged) | Bremen, BPP 1991 |
| German occ. Etapp. West (only cancels) | Zirkenbach, Kurt | Halle/Saale 1950, 1895–1972 |
| German occ. Libau | Bungerz, Alexander von | Vienna, 1874–1931 |
| German occ. Libau | Krumhaar, Otto | Hamburg 1950, 1888–1967, Edgar Mohrmann auctions, BPP 1961, AIEP 1958–67 |
| German occ. Libau | Rinsch, Heinrich | Essen-Stadtwald 1950, 1890–c.1975, BPP 1961, AIEP 1954–75 |
| German occ. Libau | Schlegel, Andreas (forged) | Berlin, BPP 1991 |
| German occ. Rumania | Rummel, Wilhelm | Bremen 1935 1950, 1885–1959 |
| German occ. Russia (Ober Ost, 10th Army) | Landré, Dr. George (Landre) | Goslar 1950, Bremen, b. 1899, BPP 1961, AIEP 1954–c.66 |
| German occ.s (Poland, Ober Ost and Etapp. West) | Richter, Walt(h)er | Heidelberg 1950 1961, 1877–1959 |
| German occ. Kurland | Andersen, Hans | Flensburg 1950, 1882–1965, BPP 1961 |
| German occ. Kurland | Becker, Ing. Ernst (forged). (Ing. = Engineer) | Anklam 1935, Hamburg 1950, 1894–1971, BPP 1961, AIEP 1954–71 |
| German occ. Poland (GG) | Becker, Ing. Ernst (forged). (Ing. = Engineer) | Anklam 1935, Hamburg 1950, 1894–1971, BPP 1961, AIEP 1954–71 |
| German occ. WW2 Lithuania | Bender, Rainer | Cologne d. 2010, BPP 2007–2010 |
| German occ. WW2 Balkans and Sudetians | Brunel, Robert | Mauerstetten, BPP 2001– |
| German occ. Channel Is. | Clark, Peter | Düsseldorf, Sanderstead (Surrey), BPP 1961 |
| German occ.s and field posts WW2 | Dub, Dr. Emil, 2 (beetle, 3 versions), also 'D' for Saar? Also forged. | Oberstein 1950, 1883–1976, expert 1920–, BPP 1958–, AIEP 1954–74. Note |
| German occ. Yugoslavia | Ercegovic, Velimir; ('V.E' in circle) Certif1, 2 | Zagreb, BPP 1980, c. 1970–92, [Flasch] |
| German occ. Yugoslavia | Ercegovic, Velimir; ('V.E' in circle) Certif1, 2 | Zagreb d. c. 1992, BPP 1980, c. 1970–92, [Flasch] |
| German occ. Sudetians | Haefele | . |
| German occ. Kurland | Hoffmann-Giesecke, Günter | Düsseldorf, 1909–79, BPP 1961 |
| German occ. Macedonia | Hristov, Stojan | Skopje, BPP 1980 |
| German occ. Sudetians | Hübner, Gerhard (Hubner, Huebner) | Stuttgart-Bad Cannstatt, d. 1981, BPP 1961 |
| German occ. Poland (GG) | Jungjohann, Heinz Erwin (forged), 2, 3 (used on forgeries) | St. Peter-Ording, b. 1929, expert 1970–, BPP 1970–2004, AIEP 2000–, [FFE4 (p.178) 6, PE] |
| German occ. Macedonia | Karaivanoff, Petko V(assilev), PVK, 2. Certif. | Sofia 1949, b. 1874 (living 1957), dealer |
| German occ. WW2 Baltics, Russia and Ukraine | Keiler, Dr. Eberhard, 2 (forged) | Munich 1950, Trier, BPP 1961 |
| German occ. Kurland | Kreft, Wilhelm | Wedemark, BPP 1984 |
| German occ.s WW2 (most areas) | Krischke, Gerhard (forged) | Hannover, d. 2015, BPP 1980 (now independent) |
| German occ.s Poland | Landré, Dr. George (Landre) | Goslar 1950, Bremen, b. 1899, BPP 1961, AIEP 1954–c.66 |
| German occ. Kurland | Loo, Wilhelm van. Photo (at left), 2 | Aachen, b. 1934, BPP 1978–, [FFE2 5 6] |
| German occ. Kotor, Zara and Zante | Ludin, Emil | Bretten/Baden, 1920–2006, expert 1951–2000, BPP 1961, AIEP 1956–2004, [FFE4 5] |
| German occ. Channel Is. | Möhle, Heinz | Hamburg, BPP 1976 |
| German occ. Ljubljana | Oliva, Guglielmo. Certif. | Genoa 1949 1961, 1900–1969, dealer from 1920s, great expert, AIEP 1954–69 |
| German occ. Sudetians | Osper, Horst | Borken (later Thailand), BPP 1991–2005 |
| German occ. Poland (GG) | Paetow, Hans-Hermann | Bremen, b. 1931, expert 1990–, BPP 1996, AIEP 2003–, [FFE7, PE] |
| German occ. Poland (GG) | Pfeiffer, Detlef | Gäufelden-Öschelbronn, BPP 2001 |
| German occ. France | Pickenpack, Werner (forged, forged) | Hamburg, BPP 1961 |
| German occ. Ukraine | Pickenpack, Werner (forged, forged) | Hamburg, BPP 1961 |
| German occ. Kurland | Rodehuser, F. H. | Dealer? Seen on probably genuine. |
| German occ. Albania | Rommerskirchen, Dr. Helmut | Krefeld, BPP 1968 |
| German occ. Soviet Union | Rommerskirchen, Dr. Helmut | Krefeld, BPP 1968 |
| German occ. Ljubljana | Schlenger, Karl-Wilhelm | Krefeld, d. 1987, BPP 1980 |
| German occ. Montenegro | Schlenger, Karl-Wilhelm | Krefeld, d. 1987, BPP 1980 |
| German occ. Serbia | Schlenger, Karl-Wilhelm | Krefeld, d. 1987, BPP 1980 |
| German occ. Poland (GG) | Schmutz, Leslaw, 2 | Rzeszów 2000, Polish Fed. |
| German occ. Poland (GG) | Schweizer, Michael | Köngen, BPP 2004– |
| German occ. Poland (GG) | Sieger, Hermann W(alter) | Lorch/Württ. 1950 2003, b. 1928, dealers (Hermann E. Sieger f. 1922), expert 1955–, BPP 1961, AIEP 1956–, [FFE4, PE] |
| German occ. France | Tust, Wolfgang | Sens (France) , BPP 1976 |
| German occ. Ljubljana | Vicini, Geom. Giovanni | San Marino 1950 |
| German occ. Kurland, Ostland | Watzke, Wolfgang | Bonn, BPP 2000– |
| German occ. Channel Is. | Wieneke, Michael | Cologne, BPP 1996 |
| German occ. Ukraine | Zirath, Walter (forged) | Hamburg, BPP 1984 |
| German occ. Macedonia | Zydek, Dr. Hans | Bonn, BPP 1991 |
| German occ. Serbia | Zydek, Dr. Hans | Bonn, BPP 1991 |
| Germany (field post Turkey) | Dobbert, Karl-Heinz | Berlin, 1912–90, BPP 1980 |
| Germany (field post WW2) | Eich | Germany |
| Germany (field post) | Frimmel, Sepp | Braunschweig 1950 |
| Germany (field post WW2) | Funck | Germany |
| Germany (field post WW2) | Gabisch, Guido | Stubenberg, BPP 2001 |
| Germany (field post 1914–19) | Haspel, Rolf | Thalheim-Bitterfeld, BPP 1991 |
| Germany (field post WW2) | Hoffmann-Giesecke, Günter | Düsseldorf, 1909–79, BPP 1961 |
| Germany (field post Tunis) | Kesselstatt, Franz E. Graf (forged) | Trier, Föhren, BPP 1976 |
| Germany (field post Hela) | Kreft, Wilhelm | Wedemark, BPP 1984 |
| Germany (field post Inselpost) | Kroll, Herbert | Hamburg 1950 |
| Germany (field post Mi 1–4) | Mogler, Gustav | Frankfurt/M., BPP 1984 |
| Germany (field post Mi 1 and Tunis) | Müller, Hanfried (Muller, Mueller) | Heidelberg, BPP 1991 |
| Germany (field post) | Pickenpack, Werner (forged, forged) | Hamburg, BPP 1961 |
| Germany (field post WW2) | Robert | Germany? |
| Germany (field post Mi 1–4, Inselpost) | Rungas, Wolf | Munich, d. 1981, BPP 1961 |
| Germany (field post Kuban & Krim) | Sauer, Erich | Siegen, BPP 1984 |
| Germany (field post Tunis) | Volz, Gustav | Mainz, 1903/4–71, BPP 1958– |
| Germany (field post Mi 14–15) | Zirath, Walter (forged) | Hamburg, BPP 1984 |
| Germany (Hapag) | Debo, Dr. Arno | Heidelberg, Munich, 1921–2000, BPP 1958–, AIEP 1967–2000 |
| Germany (1945–6 locals) | Arenz, Dr. Hartmut | Cologne, BPP (1991) until 2005 |
| Germany (1945–6 certain locals) | Barth, Norbert | Wegberg 2005, BPP 2005– |
| Germany (1945 Flensburg local) | Droese, Bernhard ('B. Droese') | Plön/Holstein 1950, Düsseldorf 1961, Bad Salzuflen 1968, BPP 1958– |
| Germany (1945–6 locals and OPDs) | Findeisen, Hans | Worms, BPP 1980 |
| Germany (1945 Freudenstadt local) | Grabowski, Heinz | Freudenstadt, BPP 1958– |
| Germany (1945 Freudenstadt local) | Haferkamp, Dr. Hans | Mainz, b. 1906, BPP 1958– |
| Germany (1945–6 locals) | Harder, Dr. Philipp | Hauenstein 2003, b. 1968, BPP 1996 |
| Germany (1945 Altentreptow, Demmin, Grabow, OPD Mecklenburg-Vorp.) | Kramp, Hans-Ludwig | Wendorf bei Rieps 2004, prev. Schmilau, BPP 1991 |
| Germany (1945–6 certain locals) | Kunz, Jens | Üxheim (Germany), BPP 2003 |
| Germany (1945 locals) | Merschkötter, Dr. | . |
| Germany (1945–6 locals) | Müller, Julius (Muller, Mueller) | Berlin-Spandau, 1901–91? |
| Germany (1945–6 certain locals) | Penning, Dr. Hans-Karl. Photo (3rd fr. left, at right Firma Köhler repr.), 2 | Bornheim, b. 1941, BPP 1981–, [FFE6] |
| Germany (1945 Meissen local) | Pollmer, Dr. Gottfried | Meissen, BPP 1991 |
| Germany (1945–6 certain locals) | Pötzsch | . |
| Germany (1945 Saxony locals) | Rehn, Erhard; 'Rehn Hall' | Munich, BPP 1961 |
| Germany (1945 locals) | Rijxman, Dr A. S. | Hilversum. Information |
| Germany (1945 locals) | Scholl | . |
| Germany (1945 certain locals and OPDs) | Ströh, Bodo (Stroh, Stroeh) (forged) | Henstedt-Ulzburg, BPP 1980 |
| Germany (1945–6 locals and OPDs) | Sturm, Heinz Egon (forged), 'St' | Detmold 1968, BPP 1961 |
| Germany (1945–6 locals and OPDs) | Thom, Einar | Meckelfeld, Seevetal, BPP 1968 |
| Germany (1945 Altdöbern) | Weigelt, Helmut (forged) | Calw (D), b. 1928, BPP 1968 |
| Germany* (all locals and OPDs 1945–6). *As BPP expert. | Zierer, Hanns, H. B. Zierer, Hans Zierer, Zierer HBP (from 1991, forged). Some are dealer's marks. | Burglengenfeld 1976 2005, dealer, now independent expert, BPP 1968–91 |
| Germany (Bizone incl. Bauten) | Adler, Arthur | Grebendorf, BPP 1961 |
| Germany (Bizone 1948) | Becker, Ing. Ernst (forged). (Ing. = Engineer) | Anklam 1935, Hamburg 1950, 1894–1971, BPP 1961, AIEP 1954–71 |
| Germany (Bizone 1948) | Dub, Dr. Emil, 2 (beetle, 3 versions), also 'D' for Saar? Also forged. | Oberstein 1950, 1883–1976, expert 1920–, BPP 1958–, AIEP 1954–74. Note |
| Germany (French Zone) | Gerber, Max | Bad Kreuznach 1961 |
| Germany (Notopfer, Wohnungsbau) | Harlos, Peter/Friedrich | Wunstorf, BPP 1980 |
| Germany (Bizone Mi 1–35, certain locals) | Hettler, Dieter | Hamburg, BPP 1991–10 |
| Germany (AM-Post, Bizone) | Klink, Johannes | Niebüll/Schleswig, BPP 1961 |
| Germany (Bizone Bauten Mi 73–100) | Lutz, Dr. Hans | Giessen, BPP 1980 |
| Germany (Bizone Bauten) | Novak, Roland | Giessen, BPP 1984 |
| Germany (Wohnungsbau) | Rose, Hans | Kitzingen, BPP 1968 |
| Germany (Bizone Bauten, Notopfer, Wohnungsbau, BRD) | Salomon, Paul (forged, forged) | Passau 1975, BPP 1961 |
| Germany (1948 currency reform ovpt) | SB (in purple in SE corner) | Seen on genuine stamps |
| Germany (French Zone) | Schlegel BPP (forged), 2 (forged) | Hans-Georg Schlegel, Berlin, 1922–2014, dealer, BPP 1976, AIEP 1974 |
| Germany (Allied occ. Mi 911–970, Bizone and BRD) | Schlegel, Andreas (forged) | Berlin, BPP 1991 |
| Germany (Bauten Mi 73–100) | Stemmler, Winfried | Korntal-Münchingen, BPP 2003 |
| Germany (French Zone) | Straub, Wolfgang | Schöneck, b. 1947, BPP 1996 |
| Germany (Bizone Bauten) | Wittmann, Dr. Heinrich | Munich, auctions (still exist), BPP 1958– |
| Germany (Währungs-reform) | Vossen, Friedr. Karl (+forged) | Düsseldorf-Oberkassel 1950, 1912–84, BPP 1958–, AIEP 1954–75 |
| Germany (Berlin) | Becker, Ing. Ernst (forged). (Ing. = Engineer) | Anklam 1935, Hamburg 1950, 1894–1971, BPP 1961, AIEP 1954–71 |
| Germany (Berlin) | Dub, Dr. Emil, 2 (beetle, 3 versions), also 'D' for Saar? Also forged. | Oberstein 1950, 1883–1976, expert 1920–, BPP 1958–, AIEP 1954–74. Note |
| Germany (Berlin) | Eliades, Christa (forged) | Berlin, BPP 1996 |
| Germany (Berlin) | Lippschütz, Alfred (forged) | Berlin, BPP 1968 |
| Germany (Berlin) | Schlegel BPP (forged), 2 (forged) | Hans-Georg Schlegel, Berlin, 1922–2014, dealer, BPP 1976, AIEP 1974 |
| Germany East (Bezirk 1948) | Ballschmidt, Günter. GB (?) | Essen, Berlin 2002, BPP 1976 |
| Germany East (OPD Meckl.-Vorp.) | Becker, Ing. Ernst (forged). (Ing. = Engineer) | Anklam 1935, Hamburg 1950, 1894–1971, BPP 1961, AIEP 1954–71 |
| Germany East (OPD 1945, Bezirk 1948) | Burhop, Dedo | Butjadingen (Germany) 2003, dealer |
| Germany East (Bezirk 1948) | Busse, Joachim | Reichling 2003, BPP 1984 |
| Germany East (Bezirk 1948) | Böheim, Dr. Julius (Boheim) | Konstanz, BPP 1991 |
| Germany East (OPDs) | Dub, Dr. Emil, 2 (beetle, 3 versions), also 'D' for Saar? Also forged. | Oberstein 1950, 1883–1976, expert 1920–, BPP 1958–, AIEP 1954–74. Note |
| Germany East (Bezirk 1948) | Fläschendräger, W., Halle Flä, Hall Fl, WF | Werner F., Halle/Saale 1961 |
| Germany East (Bezirk 1948) | Heintze, Prof. Dr. Jobst von | Magdeburg 2003, Eisenach, b. 1938 |
| Germany East (Bezirk 1948, OPD Thüringen) | Heintze, Jobst von (forged) | Eisenach 1961, 1906–85 |
| Germany East (Bezirk 1948) | Heinzel, Klaus | 1950s |
| Germany East (Bezirk 1948) | Herbst, Dr. Horst, 2 (forged) | Frankfurt-Höchst, Kelkheim, d. 1986, expert 1950–86, BPP 1968 |
| Germany East (OPD Thüringen Mi 92–115) | Herpichböhm, Erich | Munich, BPP 1984 |
| Germany East (Bezirk 1948) | Heweker, Joachim | Düsseldorf-Holthausen, BPP 1968 |
| Germany East (OPDs, Großräschen) | Jasch, Dr. Michael | Berlin, BPP 1994– |
| Germany East (Bezirk 1948) | Kaiser | . |
| Germany East (OPD Ost-Sachsen) | Kempe, Dr. L. | [Mi cat.] |
| Germany East (Bezirk 1948) | Lieder, Günter (forged postmark) | Hamburg, BPP 1991 |
| Germany East (Bezirk 1948) | Maigatter, Lutz | Viersen, BPP 1991 |
| Germany East (Bezirk 1948) | Modry, Dr. Fritz (forged), 2 | Wernigerode (DE), b. 1933, BPP 1991 |
| Germany East (Bezirk 1948) | Müller, Rolf Frieder (Muller, Mueller) | Dresden, BPP 1991 |
| Germany East (Mi 182–241 and DDR) | Paul, Siegfried | Berlin, BPP 1995–2018 |
| Germany East (Bezirk 1948) | Petzold, Volkmar | Dresden, DDR expert 1985–1990, BPP 1990–2005 |
| Germany East (Mi 212–, prev. also Bezirk 1948) | Rehn, Erhard; 'Rehn Hall' | Munich, BPP 1961 |
| Germany East (1945 locals Grabow) | Rodewald, Adolf ('A.R.') | . |
| Germany East (Bezirk 1948) | Schmidt, H. (Heinz) | Stade, BPP 1961 |
| Germany East (OPD Prov. Sachsen) | Schulze-Dirks, Dr. Arno Alex. | Halle 1948 |
| Germany East (Meissen local) | Vogel, Georg | Seen on stamps with forged postmark |
| Germany East (Bezirk 1948) | Zirkenbach, Kurt | Halle/Saale 1950, 1895–1972 |
| Germany East (Mi 212–1164, Official) | Gerhardt, Werner | Markkleeberg, BPP 1991 |
| Germany East | Grimm | Germany, 1930s to 40s |
| Germany East (Official ZKD) | Heimann, Karl | Kassel, b. 1928, BPP 1968 |
| Germany East (Official ZKD) | Jahn, Wolfgang | Munich, Vaterstetten 1968, 1928–97, BPP 1961, AIEP 1974 |
| Germany East | Macudziński, Viktor | . |
| Germany East | Mayer, Henry | Uelzen, b. 1964, BPP 1998– |
| Germany East | Merkel | . |
| Germany East | Rehfeld, Martin | Königs Wusterhausen |
| Germany East (Mi 212–41, DDR) | Schönherr, Heinz-Jörg | Leipzig, b. 1944, BPP 1996 |
| Germany East (Mi 242–) | Tichatzky, Dr. Peter | Berlin, b. 1929, BPP 1991 |
| Germany East (Mi 182–, ZKD) | Weigelt, Helmut (forged) | Calw (D), b. 1928, BPP 1968 |
| Germany East | Zempel, Dr. Heinrich | Nauheim, BPP 1968 |
| Germany East* (Mi 182–). *As BPP expert. | Zierer, Hanns, H. B. Zierer, Hans Zierer, Zierer HBP (from 1991, forged). Some are dealer's marks. | Burglengenfeld 1976 2005, dealer, now independent expert, BPP 1968–91 |
| Gibraltar | Hamilton-Bowen, Roy | Rodgau (Germany), BPP 1996 |
| Gibraltar | Kiddle, Francis E(dgar) | North Fleet (GB), b. 1942, expert 1980–, AIEP 1999–, [FFE3, PE] |
| Gibraltar | Pröschold, Horst K. W. (Proschold, Proeschold) | Frankfurt/M., 1922–89, BPP 1976, AIEP 1975–89 |
| Gibraltar | Richter, Heinzgeorg. Certif. | Wöllstadt (Germany) 1998, independent expert. Note |
| Great Britain | Brandon, David. Certif. Note | Guildford, dealers, independent experts |
| Great Britain | Frank, E. D. | Frankfurt 1897 |
| Great Britain | Griffiths, John O. | Great Britain, 1923–2001, AIEP 1979–84 |
| Great Britain | Jacoby, Willy | London 1897 |
| Great Britain | Lange, Carl H., 2 | Hamburg 1950 1961, respected dealer |
| Great Britain | Mertens | Two dealers in Brussels 1949 |
| Great Britain | Pröschold, Horst K. W. (Proschold, Proeschold) | Frankfurt/M., 1922–89, BPP 1976, AIEP 1975–89 |
| Great Britain | Richter, Heinzgeorg. Certif. | Wöllstadt (Germany) 1998, d. 1980s, independent expert. Note |
| Great Britain | Robineau, F. A. | France 1966 1990 |
| Great Britain | Turpin, F. B.*, F. B. Turpin London. *Note | London e.g. 1910s, dealer, also on forged |
| Great Britain | Zöbisch (scan: Wilhelm van Loo) | . |
| Great Britain (Lundy) | Clark, Peter | Düsseldorf, Sanderstead (Surrey), BPP 1961 |
| Great Britain (Mi 1–101, not Official) | Louis, Karl-Albert | Taunusstein-Hahn, b. 1961, expert 1990–, BPP 1991–, AIEP 1995–, [FFE1 3 6, PE] |
| Great Britain (postal stationery, incl. Colonies) (line engraved and embossed stamps, specimen overprints) | Huggins, Dr. Alan K. | Watford (GB), b. 1936, expert 1980–, AIEP 2001–, [FFE5, PE] |
| Great Britain (pre-1952 excl. Official) | Knopke, Dr. Karl | Hohen Neuendorf, BPP 1991 |
| Great Britain and Colonies | Drahn, August Wilhelm, A. W. Drahn | Cologne 1943 and 1961, Bad Kissingen 1950, 1893–1974, dealer, Michel catalogue consultant (for pre-1918 listings), BPP 1958–, AIEP 1954–74 |
| Great Britain and Colonies | Lee, Ronald A(lbert) G(eorge) | London, 1912–90, RPSL, AIEP 1976–90 |
| Great Britain and Colonies | Reuterskiöld, Baron Axel de | Lausanne, 1860–1937, philatelist |
| Great Britain and Colonies | Stötzer, W. | Berlin 1897 |
| Great Britain PO Morocco | Kiddle, Francis E(dgar) | North Fleet (GB), b. 1942, expert 1980–, AIEP 1999–, [FFE3, PE] |
| Greece | Argyropoulos, Alexander G. (A. ΑΡΓΥΡΟΠΟΥΛΟΣ). Photo | Athens 1949, 1883–1962, dealer |
| Greece | Bishop, Rex D. | Boonton NJ (USA) 2001 |
| Greece | Büning, Paul (Buning, Buening) | Wiesbaden 1950 |
| Greece and areas | Cosmopoulos, L. (in script), 2 | Greece? 1973 |
| Greece | Deilakis (script), 2 (caps.) | Paris, pre-WW2, dealer |
| Greece | Drossos, Pandelis J. (ΔΡΟΣΟΣ) | Athens 1949, 1900–1996, dealer 1926 |
| Greece | Frascati | . |
| Greece | Fulpius, George(s), Dr. ('G.F.' ?, GF in manuscript) | Geneva 1949, 1886–1955, official expert 1949, AIEP 1954–55 |
| Greece | Garas, N. (ΓΑΡΑΣ) | Athens 1949 1958, dealer |
| Greece | Gilczynski, Dr. Jan | Cracow, BPP 1961 |
| Greece | Glasewald, Arthur Ernst ('A.E.') | Gössnitz, 1861–1926, dealer, father of Georg and Ruprecht, [Brühl p.497] |
| Greece | Greek Stamp Dealers Association | Expert committee (Atzaritis, Spanos, Kalfarentzos), Athens 1969 |
| Greece (Small Hermes) | Ioannidis, Panos | Alimos (Greece), b. 1933, expert 1984–, AIEP 1998–, [FFE3, PE] |
| Greece | Kessissoglou, Thales | Athens 1949, dealer |
| Greece | Kogebinas, A. | Corfu 1941, Pres. Corfu Philat. Soc. |
| Greece | Lee, Ronald A(lbert) G(eorge) | London, 1912–90, RPSL, AIEP 1976–90 |
| Greece | Nicolaides, N. S. (in script) | Greece? |
| Greece | Oliver, F(rank) H. | London 1926, b. 1867(66?), dealer, BPA expert |
| Greece | Pemberton, Percival Loines | London, 1875–1949, BPA expert, son of E.L. |
| Greece | Raftopulo, Spiro (Raftopoulos) | Greece, 1930s. Cf. Raphtopoulos |
| Greece | Raphtopoulos, A. | Greece, until 1970s. Cf. Raftopulo |
| Greece | Rathausky, Josef | Czechoslovakia, 1901–83, CSF |
| Greece | Roussos | . |
| Greece | Seefeldner, Gustav, Prof. GS + heron, 'SG' (in circle) | Salzburg 1896, Vienna pre-1950, UPV, [Wilhelm van Loo] |
| Greece (Mi 1–157) and PO abroad | Simmermacher, René | Staufen/Brsg. 2003, Freiburg, BPP 1968 |
| Greece | Smyrloglou | Greece |
| Greece | Spanos, D. | Athens 1949, dealer |
| Greece | Spetsiotis Frères (brothers) ('SF') | Athens, dealers, on forged & reprinted |
| Greece | Trebitz, L. | Meerane 1897 |
| Greece (Large Hermes) | Tseriotis, Michael | Limassol, b. 1950, expert 1983–, AIEP 2000–, [FFE4 5, PE] |
| Greece | Turpin, F. B.*, F. B. Turpin London. *Note | London e.g. 1910s, dealer, also on forged |
| Greece (Large Hermes) | Tzirac., D. | . |
| Greece | Wallner, Dr. Ferdinand (forged), usually in handwriting. Photo | Vienna 1943, 1894–1970, dealer, AIEP 1954–, VÖB, AIEP 1954–70, BPP 1961 |
| Greece | Vasdekis, N. | Greece, 1970s and 1980s |
| Greece and all areas | Vlastos, Orestis | Athens, 1920–96, dealer, AIEP 1991–96 |
| Greece | Zeis, Andreas F. (Zeïs) (Α. ΖΕΗΣ) | Athens |
| Greece (Kavalla) | Tokkos | . |
| Greece (ovpt.s on Crete) | Karatzas, Takis | Athens, b. 1943, expert 1989–, AIEP 1998–, [FFE3, PE] |
| Greece (postal history) | Galinos, Alexandre | Athens, b. 1959, dealer, expert 1993–, AIEP 1998–, [PE] |
| Greece (WW2) | Tatsopoulos, A. | Greece? France? |
| Greek occ. (ovpt.s) | Ioannidis, Panos | Alimos (Greece), b. 1933, expert 1984–, AIEP 1998–, [FFE3, PE] |
| Greek occ. issues | Schmitt, Joh. Ulrich | Diessen a.A. 2003, Munich, b. 1936, expert 1965–, BPP 1968, AIEP 1982–, [FFE5, PE] |
| Greenland | Debo, Dr. Arno | Heidelberg, Munich, 1921–2000, BPP 1958–, AIEP 1967–2000 |
| Greenland | Møller, Carl Aage (Moller, Moeller) | Greve Strand (DK), b. 1956, expert 1986–, AIEP 2000–, BPP 2001, [FFE4 5, PE] |
| Greenland | Osper, Horst | Borken (later Thailand), BPP 1991–2005 |
| Greenland | Wahl, Günter | Dresden, b. 1929, BPP 1991 |
| Greenland | Witschi, Hans | Sumiswald 2001, SBPV until c. 2002 |
| Greenland | Wowern, Eric v. | Virum (Denmark) 2000 |
| Greenland (parcel stamps) | Mærket er ægte men, ureglementeret afstemplet | Danish for: "The stamp is genuine but cancelled contrary to regulations". |
| Guatemala | Guggisberg, Dr. Alfred | Biel 2001, d. 2004, SBPV |
| Guatemala | Robles, Roberto | Quezaltenango, dealer |