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Introduction Additional Stamp Impressions A T Ms Burelages Cliche Can-
Coil Stamps Design Prints Die-cuttings Embossings Expertisation
Facsimiles, Reprints
and Reproductions
Form Prints Frankings Gums Hand Postmarks Ink Jet Can-
Machine Postmarks Margin Prints Meter Stamps
Overprints Pencancel-
Perforations Postal Shipments Postal Stationeries Press Marks Print Substrates Punches Reverse Prints Roulettings Second Overprints
Se-tenants Sheet Stamps Silk Threads Stamp Booklets Stamped Envelope Overprints Stamp Impressions Third Overprints Tress Rosettes Watermarks Others

Knowledge / Fakes / Gums

Fake Gums: original postage stamp with deceitful bogus gum or with faked original gum

Fake Gum: original postage stamp with deceitful bogus gum

Fake Gum Colour original gum with deceitful changed gum colour

Fake Gum Structure: original gum with deceitful changed gum structure

Supplemented Gum: original gum with deceitful supplemented lost parts

Supplemented Gum with Omit Expert´s Mark: original postage stamp with partly deceitful bogus gum without tuching the original expert´s mark

Removed Hinge: original gum with deceitful eliminated hinge (mark)

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