Forged Stamps of Karolinen

• 1-6. Overprinted German stamps, 1900. Four forged overprints: German Philatelic Society Reference Manual of Forgeries, Vol. 10, “German Colonies” (Michel Caroline Islands 1-6). The Serrane Guide/ Stamp Forgeries of the World to 1926, p.38 (Yvert 1-6). For Fournier forgery of the basic stamps, see Germany, Design Types A9 and A10.
• 7-15. Small yacht issue of 1900-10. Fournier forgery: The Serrane Guide/ Stamp Forgeries of the World to 1926, p.105 (German Colonies). See German East Africa 11-18,22-38.
• 20. 5pf on 3pf, 1910. Two forged surcharges: German Philatelic Society Reference Manual of Forgeries, Vol. 10, “German Colonies” (Michel Caroline Islands 20).
• Genuine cancellations: Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, pp.778-83.
• Bernard Friedrich and other fraudulent postmarks. German Philatelic Society Reference Manual of Forgeries, Vol. 10, “German Colonies” (Michel Caroline Islands Cancellations 1899-1905).
• Fournier fraudulent postmark: The Serrane Guide/ Stamp Forgeries of the World to 1926, p.38 (Yvert 1-6).
  Favor cancellations for Ponape dated October 1914 (back-dated): Max Muenzer, “German Colonies And Post Offices Abroad – Information Not Included In The Catalogue” (translated by William M. Pool), The German Postal Specialist, Vol. 5 (September 1954): 76,77.
• Fraudulent cancellations: Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, pp.783, 84, 95.
• Fake Japanese postmarks on cover during Japanese rule, 1915: Robert M. Spaulding, “Fictitious ‘Mail’ From Painope to Pingelap”, Japanese Philately, Vol. 48 (February 1993): 8.
• 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.
  Atoll cancellations. Albert Friedmann, The Stamps and Cancels of the German Colonies and the German Post Offices Abroad, pp.861-64.
• Arrival postmarks. Required on letters until March 31, 1909 (except for a few months beginning “after 1873). Required on regestered 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.

Source: The Tedesco Index