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

Knowledge / Mistakes / Others


Firmly Sticking Postage Stamp: self-adhesive postage stamp which can not striped without damages caused by a mistake	Double Transfer: postage stamp that shows evidence of a (partly) duplication in the design	Shifted Chalky Overprint: deviation from the intended chalky overprint position

Chalky Overprint on Reverse: postage stamp with chalky overprint on reverse instead on front		Missing Chalky Overprint: postage stamp without chalky overprint caused by a mistake	Double Chalky Overprint: postage stamp twice chalky overprinted

Matrixcode Mistake: printers term for a deviation caused by a matixcode mistake	Shifted Matrixcode: deviation from the intended matrixcode position	Missing Matrixcode: postage stamp without matrixcode caused by an error	Missing Pre-Cancellation: postage stamp without pre-cancellation caused by a mistake