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

Knowledge / Errors / Second Overprints

Second Overprint Error: philatelic term for a deviation caused by a second overprint error

Second Overprint Colour Error: deviation from the intended second overprint colour caused by an error	Second Overprint Plate With Error: second overprint printed from a caused by an error damaged printing form	Second Overprint on Reverse: postage stamp with second overprint on reverse instead on front

Diagonal Inverted Second Overprint: postage stamp with 180 degrees rotated diagonal overprint	Inverted Second Overprint: postage stamp with 180 degrees rotated horizontal overprint	Double Second Overprint: postage stamp with twice second overprint	Double Second Overprint One Inverted: postage stamp with twice second overprint one 180 degrees rotated

Inverted Third Overprint: postage stamp with 180 degrees rotated horizontal overprint