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 Shipments

Postal shipment safety measure: safety measure that was carried out on a postal shipment

Seal: engraved hand stamp that was pressed into a soft sealing compound (e.g. wax or varnish) in order to securely seal a postal shipment on the back

Paper-backed seal: seal placed between two layers of paper to securely seal a folded letter

Paper seal: vignette with which a postal shipment is securely sealed on the back