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Additional Stamp Impressions A T Ms Burelages Cliche Can-
cellations
Cuts Design Prints Die-cuttings Embossings Form Prints Gums
Hand Postmarks Ink Jet Can-
cellations
Lumines-
cences
Machine Postmarks Meter Stamps Margin Prints Overprints Pencancel-
lations
Perforations Postal Stationeries Press Marks
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 / Pencancellations

Accidental Pencancellation: philatelic term for an accidental pencancellation

Pencancellation With Colour Accidental: deviation from the intended pencancellation colour caused by an accidental

Light Pencancellation: clear but too light pencancellation

Strong Pencancellation: clear but too strong pencancellation

Diagonal Pencancellation: postage stamp with 45 degrees rotated horizontal pencancellation

Vertical Pencancellation: postage stamp with 90 degrees rotated horizontal pencancellation

Inverted Pencancellation: postage stamp with 180 degrees rotated horizontal pencancellation

Double Pencancellation: postage stamp with twice pencancellation

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