Introduction	Additional Stamp Impressions		A T Ms	Burelages	Cliche Cancellations	Cuts	Design Prints	Die-cuttings	Embossings	Form Prints
Gums	Hand Postmarks	Ink Jet Cancellations	Lumines- cences	Machine Postmarks	Margin Prints	Meter Stamps	Overprints	Pencancel- lations	Perforations	Press Marks
Print Substrates	Postal Stationeries	Punches	Reverse Prints	Roulettings	Second Overprints	Separate Productions	Se-tenants	Sheet Stamps	Silk Threads	Stamp Booklets
Stamped Envelope Overprints		Stamp Impressions	Third Overprints	Tress Rosettes	Watermarks	Others

Knowledge / Errors / Press Marks

Press Mark Error: philatelic term for a deviation caused by a press mark error

Press Mark Plate With Error: press mark from a caused by an error damaged printing form

Press Mark on Front: postage stamp caused by an error with press mark on front instead on reverse

Missing Press Mark: postage stamp caused by an error without press mark

Inverted Press Mark: postage stamp caused by an error with 180 degrees rotated press mark

Double Press Mark: postage stamp caused by an error with twice press mark