A T Ms	Coatings	Hand Postmark Cancellations	Margin Watermark	Perforations	Postage Stamp Burelages	Postage Stamp Design Prints	Postage Stamp Overprints	Postage Stamp Reverse Prints
Postal Stationeries		Postal Stationery Design Prints	Postal Stationery Overprints	Print Substrates	Punchings	Postal Shipments	Stamp Impressions	Combinations

Knowledge / Safety Measures / Others / Postal Stationeries

Postal stationery safety measure: safety measure that was carried out on a postal stationery during production

Silk thread paper: safety measure inside the paper made of during the manufacturing process added coloured silk thread to make complete counterfeiting more difficult

Paper with watermark: security measure in which a pattern is embossed into the wet paper to make complete counterfeiting more difficult