Dictionary
Words, grammatical forms and meanings linked to the ontology.
plate number coil en · NOUN
Meanings
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A United States postage stamp with the number of the printing plate or plates printed on it.
We have developed other philatelic interests over the years so that it isn't important to us to have every new issue. Or, as Dave Lee suggested in another post, we work a specialty within modern issues such as plate number coils, or transportation issues, etc.
1997 June 18, WJFIELDS [username], “Re: Why collect new U.S.?”, in rec.collecting.stamps (Usenet):
Forms
Synonyms
PNC