- 1-17. The “Group type issue”, 1892-1900. H. Bynof-Smith, Forged Postage Stamps of Europe and Colonies, Vol. 1, pp.98,99. Perforations of the forgery (Fournier) are reversed: Scott Classic Specialized Catalogue. Also see French Congo 18-34.
- 34-36. Ballay type common design, 1905-07. See French Guinea 45-47. 29-31. David Jennings-Bramly, “The Ballay forgeries”, The Journal of the France & Colonies Philatelic Society (U.K.), Vol.41 (March 1991): 6,7. H. Bynof-Smith, Forged Postage Stamps of Europe and Colonies, Vol. 1, pp.98,99 (Ivory Coast).
- Fournier fraudulent postmark: The Serrane Guide/ Stamp Forgeries of the World to 1926, p.210 (Yvert 36-40). Fournier fraudulent postmark: A.J.C.Vaurie, “Know Your Forgeries” column, The France and Colonies Philatelist (U.S.), Vol. 3 (November-December, 1943): 3. Forgery of the 5fr and fraudulent postmarks: H. Bynof-Smith, Forged Postage Stamps of Europe and Colonies, Vol. 1, pp.98,99.
- C11-C13. High values, Airmail stamps, 1942. H.G. Leslie Fletcher, Postal Forgeries of the World, pp.104-7.
Source: The Tedesco Index