The 1903 Austro-Hungarian Post in Turkey: Varnish Bars as an Anti-Fraud Innovation
Stamp Details: Issue Year: 1903 Catalogue Reference: SG No. F4A Denomination: 50 Centimes Perforation: 13×13½ Paper: Granite Paper (with silk threads) Feature: Varnish Lines Key Features: Granite Paper: This stamp is printed on granite paper, easily recognizable by the visible silk threads embedded into the paper. This was a security measure to prevent counterfeiting. Varnish […]
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