Forged Stamps of Tobago

• 1-6. Regular issue, 1879. Revenue stamps distinguished: Scott Classic Specialized Catalog. Fake of the £1 stamp made by scraping away the “A” of the watermark and adding a thin layer of paper with a “C” in its place: Mercer Bristow, “Altered watermark, cancel detected”, Stamp Collector, Vol.71 (August 4, 1997): 8.
• 19,21. 4p and 6p values of the issue of 1882-96. Sperati forgeries and fraudulent cancellations: British Philatelic Association (Publisher), The Work Of Jean De Sperati, pp.63,64 and Plate 20. Sperati forgeries: Robson Lowe, “Sperati and His Craft – XII”, The Philatelist, Vol. 20 (April 1954): 179-84.

Source: The Tedesco Index