specimen stamp

specimen stamp is a example or postage stamp.

Overview

Catalogue entries for stamps state issue, perforation, gum and certification. VALÉORINE records this subject so that lots referring to it can be described consistently.

In detail

postage stamp or postal stationery indicium sent to postmasters and postal administrations so that they are able to identify valid stamps and to avoid forgeries

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Specimen stamp”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2594781: specimen stamp
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