maximum card

maximum card is a postcard or collectable.

Also recorded as maxi-card; maxicard.

Overview

Its recorded use is correspondence. 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

a postcard with a postage stamp placed on the picture side of the card where the stamp and card match or are in maximum concordance (similarity)

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
“Maximum card”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1566015: maximum card
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