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

Knowledge / Errors / Others

Firmly Sticking Postage Stamp: self-adhesive postage stamp which can not striped without damages caused by an error

Double Transfer: postage stamp that shows evidence of a (partly) duplication in the design caused by an error

Chalky Overprint on Reverse: postage stamp caused by an error with chalky overprint on reverse instead on front

Missing Chalky Overprint: postage stamp caused by an error without chalky overprint

Double Chalky Overprint: postage stamp caused by an error twice chalky overprinted

Missing Matrixcode: postage stamp caused by an error without matrixcode

Missing Pre-Cancellation: postage stamp caused by an error without pre-cancellation

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