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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 / Print Substrates

Paper Error: philatelic term for a deviation caused by a paper error

Paper Colour Error: deviation from the intended paper colour caused by an error

Mixed Up Papers: postage stamp printed on a different paper as intended (e. g. with watermark)

Horizontal Instead of Vertical Laid Paper: postage stamp printed on 90 degrees rotated laid paper

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