Start page   Collection Knowledge  
Start / Knowledge /
Introduction Overprints A T Ms Additional Stamp Impressions Design Prints Sheet Stamps Print Substrates Roulettings Punches Frankings Meter Stamps
Postal Stationeries Cliche Can-
cellations
Gums Pencancel-
lations
Hand Postmarks Tress Rosettes Lumines-
cences
Stamp Booklets Machine Postmarks Facsimiles, Reprints and Reproductions Postal Shipments
Embossings Press Marks Experti-
sation
Margin Prints Coil Stamps Reverse Prints Silk Threads Die-
cuttings
Ink Jet Cancellations Stamped Envelope Overprints Burelages
Form Prints Watermarks Stamp Impressions Perforations Se-tenants Second Overprints 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)

previous page   next page