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 / Form Prints

Form Print Error: philatelic term for a deviation causend by an form print error

Form Print Colour Error: deviation from the intended form print colour caused by an error

Form Print Typ Error: deviation in the form print text caused by an error

Form Print Plate With Error: form print printed from a caused by an error damaged printing form

Missing Form Print: postal stationery caused by an error without form print

Partly Missing Form Print: postal stationery caused by an error with partly missing form print

Inverted Form Print: postal stationery caused by an error with 180 degrees rotated form print

Double Form Print: postal stationery caused by an error with twice form print