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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
Without
Separation
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 / Accidentals / Print Substrates

Accidental Print Substrate: philatelic term for an accidental print substrate

Repaired Paper: damaged paper roll repaired before the design print

Paper With Alien Element: during the production accidental included alien element

Paperfold: during the printing process accidental folded paper

Paper Colour Accidental: deviation from the intended paper colour caused by an accidental

Toned Paper: during the printing process accidental in a light colour toned paper

Thiner Paper: postage stamp printed on thiner paper as intended

Thicker Paper: postage stamp printed on thicker paper as intended

Sheet Turn-Over: paper sheet turned over before design printing, overprint or perforation

Oily Paper Print: seeming on oily paper printed postage stamp caused by to much printing oil

Porous Paper: paper produced with not enough glue with design print visible on reverse

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