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Additional Stamp Impressions A T Ms Burelages Cliche Can-
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cellations
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cences
Machine Postmarks Meter Stamps Margin Prints Overprints Pencancel-
lations
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Print Substrates Punches Reverse Prints Roulettings Second Overprints Separate Productions Se-tenants Sheet Stamps Silk Threads Stamped Envelope Overprints
Stamp Booklets Stamp Impressions Third Overprints Tress Rosettes Watermarks Without Separation Others

Knowledge / Accidentals / Press Marks

Accidental Press Mark: philatelic term for an accidental press mark

Shifted Press Mark: deviation from the intended press mark position

Split Press Mark: shifted press mark split on multible postage stamps

Missing Press Mark: shifted press mark which did not reach a stamp field

Press Mark Plate With Accidental: press mark from a caused by an accidental damaged printing form

Light Press Mark: clear but too light press mark

Strong Press Mark: clear but too strong press mark

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