bn:03087408n
Noun Concept
Categories: Coins, Coins of the United States
EN
proof coinage  proof  Proof coin  proof coins  Proof penny
EN
Proof coinage refers to special early samples of a coin issue, historically made for checking the dies and for archival purposes. Wikipedia
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EN
Proof coinage refers to special early samples of a coin issue, historically made for checking the dies and for archival purposes. Wikipedia
Coins once made as a test, but now specially struck for collectors Wikipedia Disambiguation
Special early samples of a coin issue Wikidata
Wikipedia
Wikidata
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