- 1-8. “Tombstones”, 1892. Frank Aretz, Know Your Stamps, Vol. I, p.13. Fournier forgeries: Alfred J. Branston, “Is It A Forgery?”, The Stamp Lover, Vol. 78 (April 1986): 39. Fournier forgeries and fraudulent postmark and another forgery: The Encyclopedia of British Empire Postage Stamps 1661-1947, Vol. IV, p.477. The Serrane Guide/ Stamp Forgeries of the World to 1926, p.48 (Yvert 1-4). J. Dorn (Publisher), The Forged Stamps of all Countries, p.89. Characteristics of the genuine stamps and forgery of Scott 4 or 7: Alden C. Johnson, Forgeries Old and New, Vol. 2, pp.12,13.
- Genuine early cancellations. The Encyclopedia of British Empire Postage Stamps 1661-1947, Vol. IV, pp.475,76.
- 25. ½ on 1p, 1899. Fraudulent postmark: The Encyclopedia of British Empire Postage Stamps 1661-1947, Vol. IV, p.505.
- 98-100. Silver Jubilee issue, 1935. Fraudulent postmark: The Encyclopedia of British Empire Postage Stamps 1661-1947, Vol. IV, p.485.
- Five Madame Joseph fraudulent postmarks, ?, 1910’s, 1930’s, 22/6/40. Derek Worboys and Roger B. West, Madame Joseph Forged Postmarks, p.44.
Source: The Tedesco Index