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 / Third Overprints

Third Overprint Accidental: philatelic term for a third overprint deviation caused by accidental

Shifted Third Overprint: postage stamp with caused by accidental shifted third overprint to another position as intended

Light Third Overprint: postage stamp with caused by accidental clear but too light third overprint

Strong Third Overprint: postage stamp with caused by accidental clear but too strong third overprint

Oily Third Overprint: postage stamp with caused by accidental too much oil in the third overprint colour which runs out