Original Gum
The stamp’s original adhesive layer as issued by the postal authority.
The stamp’s original adhesive layer as issued by the postal authority.
The study and collection of postage stamps, postal stationery and related postal history.
The rows of holes punched between stamps to make separation easier.
A stamp issued without perforations and requiring cutting from a sheet.
A design embedded into stamp paper to help prevent counterfeiting.
The adhesive coating applied to the back of a stamp.
A stamp in unused condition, often retaining its original gum.