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 / Burelages

Burelage Error: philatelic term for a burelage deviation caused by an error

With Burelage: postage stamp caused by error printed with not intended style with burelage	Missing Burelage: postage stamp with caused by error not printed burelage	Partly Missing Burelage: postage stamp with caused by error partly not printed burelage	Mixed Up Burelage: postage stamp with caused by error different burelage as intended

Burelage Colour Error: philatelic term for a deviation caused by error from the intended burelage colour	Inverted Burelage: postage stamp with caused by error inverted instead upright burelage	Double Burelage: postage stamp with caused by error twice instead of once the same burelage

Burelage On Two Sides: postage stamp with caused by error twice instead of once the same burelage on front and on reverse		Burelage on Blank Field: blank field with a caused by error shifted burelage

Burelage on Reverse: postage stamp with caused by error burelage on reverse instead of front		Burelage Plate With Error: philatelic term for a burelage printed from caused by error damaged printing form