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 / Watermarks

Accidental Watermark: philatelic term for an accidental paper with watermark

Watermark Typ Accidental: deviation in the watermark text caused by an accidental

Shifted Watermark: deviation from the intended watermark position

Split Watermark: shifted watermark split on multible postage stamps

Missing Watermark: shifted watermark which did not reach a stamp field

Pair With Watermark and Without Watermark: pair with shifted design print one stamp printed on paper without watermark

Watermark Coil With Accidental: watermark produced from a caused by an accidental damaged watermark coil

Light Watermark: clear but too light watermark

Strong Watermark: clear but too strong watermark

Uneven Watermark: watermark with uneven design

Oblique Watermark: postage stamp with watermark shifted out of alignment

Watermark Size Difference: deviation from the intended size of a watermark

Watermark Space Accidental: deviation from the intended space between two parts of a watermark caused by an accidental

Stitch Watermark: watermark like design in the paper caused by stitches