Forged Stamps of Kamerun

• Forerunners:
  Forged postmark on 5pf German stamp used in Cameroon: German Philatelic Society Reference Manual of Forgeries, “German Colonies” Vol.10 (Michel Cameroon 46 “Vorlaufer”).
• 1-6. Overprinted German Stamps, 1897. Forgeries (line perforated instead of comb perforations), six forged overprints, back-dated cancellation: German Philatelic Society Reference Manual of Forgeries, Vol. 10 “German Colonies”(Michel Cameroon 1-6, Michel Camaroon 1-6 with cancellation two sheets). Fournier fraudulent postmark: The Serrane Guide/ Stamp Forgeries of the World to 1926, p.36 (Yvert 1-6). For Fournier forgery of the basic stamps, see Germany, Design Types A9 and A10.
• 7-15, 20-23. Small Yacht common design, 1900-1918. See German East Africa 11-18,22-38. German Philatelic Society Reference Manual of Forgeries, Vol. 10 “German Colonies”(Michel Cameroon 7-10). For Fournier forgery of the basic stamp, see German East Africa 11-18,22-38.
• Genuine cancellations: Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, pp.570-87.
• Fraudulent Bernhard Friedrich postmarks. German Philatelic Society Reference Manual of Forgeries, Vol. 10, “German Colonies”(Cameroon Cancellations 1897-1908”).
• Pictures of forged postmarks: Dr. Werner M. Bohne, “Caveat Emptor”, The German Postal Specialist, Vol. 43 (January 1992): 29,30.
• Forged cancellations: Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, p.607.
• Forged cancellation at Jaunde Cameroun: Marty Bratzel, “Genuine and Forged Postmarks of Jaunde Cameroun”, The France and Colonies Philatelist (U.S.), Vol.63 (October 2007): 84,85.
• Forged cancellations at Duala, Kamerun using captured German cancellers: M.P. Bratzel, Jr., “British and French Usage of Captured German Cancellers at Douala, Cameroun”, The France and Colonies Philatelist (U.S.), Vol. 44 (January 1988): 5-10; Addendum, Vol. 45 (April 1989): 7; Addendum No. 2, Vol. 46 (January 1990): 16; and Addendum No. 3, Vol.52, Whole No. 245 (July 1996): 83-85.
• Pictures of overprints and postmarks: German Philatelic Society Expertizing Service, “Caveat Emptor”, The German Postal Specialist, Vol. 39 (December 1988): 413-16.
• Rudolph Thomas fraudulent postmarks: Paul Larsen, “‘Greasy Dick’ Fake Colonies and Offices, Vorläufer, No. 15 (April 1975: 3-10. Chas. S. Thompson, “German Colonial Postmark Fakes …”, Weekly Philatelic Gossip, Vol. 35 (December 12, 1942): 329-31; Anon. Note, Stamps (U.S.), Vol. 38 (January 17, 1942): 102,3.
• Forged postmarks: GPS Expertizing Service, “Caveat Emptor”, The German Postal Specialist, Vol. 36 (October 1985): 426,27.
• Dieter Bahrs forged postmarks: GPS Expertizing Committee, “Caveat Emptor – Still Another Forger Exposed”, The German Postal Specialist, Vol. 26 (March 1975): 90-92.
• Pictures of forged postmarks, including those of forerunners: Anon., “Forgeries – Warning of Early Colonial Postmarks from Johannesburg” (translated by O. Winter, from Berichte Kolonialbriefmarken sammler), The German Postal Specialist, Vol.17 (April 1966): 172-76.
• Forged overprints and cancellations by Dieter K. of Sittensen: Dr. Werner M. Bohne, “Caveat Emptor … 25 Million Marks in Forgeries? : A Special Report”, The German Postal Specialist, Vol. 33 (June 1982): 246-48.
  False postmarks of various colonies made in Berlin (pictures reduced in size): Anon., “Another Forgery Establishment Put Out of Business”, Vorläufer, No. 14 (February 1975): 3,4.
• Fournier fraudulent cancellations: Fritz Billig, Billig’s Philatelic Handbook, Vol. 7, p.156 and Vol.9, p.26.
• Arrival postmarks. Required on letters until March 31, 1909 (except for a few months beginning “after 1873). Required on registered and special delivery mail until termination of postal service, except for the period April 1, 1909 to December 21, 1909. Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad.

• Issued under British Occupation:
• 53-65. Cameroons Expeditionary Force issues of 1915. Genuine British occupation surcharges: German Philatelic Society Reference Manual of Forgeries, Vol. 10, “German Colonies” (Michel Cameroon British occupation 1-13).
• Madame Joseph fraudulent postmark, 11 10 13. Derek Worboys and Roger B. West, Madame Joseph Forged Postmarks, p.40.

• Issued under French Occupation:
• 101-15. Franco-English occupation issue of 1915. Three forged overprints. German Philatelic Society Reference Manual of Forgeries, Vol. 10 “German Colonies”(Cameroon French Occupation, 1915).
• 130-46. 25c and higher values of the French occupation issue, 1916-17. Measurement of overprint on Type A2: Scott Dudley Cobb, “Forged Cameroun Francais Overprints”, Journal of the France & Colonies Philatelic Society,Vol. 57, (March 2007): 11; Scott Classic Specialized Catalog.
• 255 (Yvert & Tellier 208a). 2c “Cameroun Francais” overprint (in black), 1940. Forged trial overprint: Dudley Cobb, “Forged Cameroun Francais Overprints”, Journal of the France & Colonies Philatelic Society,Vol. 57, (March 2007): 11.
• B10-B13. Free French army issue of 1940. Forged surcharge. Robson Lowe (editor), The Gee-Ma Forgeries, p.11.
• B14, B15. Free French army issue of 1941. Forged surcharge. Robson Lowe (editor), The Gee-Ma Forgeries, p.11.
• Genuine French occupation postmarks. M.P. Bratzel, Jr., “Flyspecking The Early Postmarks of French Cameroun”, The France and Colonies Philatelist (U.S.), Vol. 48 (January 1992): 1-8.
• Genuine postmarks: M.P. Bratzel, Jr., “The 24mm Diameter, Double-Ring Postmarks of Douala, Cameroun”, The France and Colonies Philatelist (U.S.), Vol.44, Whole No. 211 (April 1988): 7-13 and Addenda, The France and Colonies Philatelist (U.S.), Vol.46 (January 1990): 16.
• Fraudulent postmark. M.P. Bratzel, Jr., “Doula, Cameroun – A Forged 1943 Postmark”, The France and Colonies Philatelist (U.S.), Vol.43, Whole No. 207 (April 1987): 56.

Source: The Tedesco Index