Overprints	A T Ms	Additional Stamp Impressions	Design Prints	Sheet Stamps	Print Substrates	Roulettings	Punches	Separate Productions	Meter Stamps	Postal Stationeries
Cliche Cancellations	Gums	Pencancel- lations	Hand Postmarks	Tress Rosettes	Lumines- cences	Stamp Booklets	Machine Postmarks	Embossings	Press Marks	Margin Prints
Reverse Prints	Silk Threads	Die-cuttings	Ink Jet Can- cellations	Stamped Envelope Overprints		Burelages	Form Prints	Watermarks	Stamp Impressions	Perforations
Se-tenants	Second Overprints		Others

Knowledge / Errors / Die-cuttings

Die-cutting Error: philatelic term for a deviation caused by a die-cutting error

Missing Die-cutting: postage stamp without die-cutting at all sides caused by an error	Partly Missing Die-cutting: postage stamp with missing die-cutting at one or more, but not at all four, sides caused by an error

Die-cutting on Reverse: postage stamp with die-cutting on reverse instead on front		Die-cutting Size Error: postage stamp with a different number of die-cutting elements caused by an error