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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 / 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

Chalky Overprint on Reverse: postage stamp with chalky overprint on reverse instead on front

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

Double Chalky Overprint: postage stamp twice chalky overprinted

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

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