Proof coinage means special early samples of a coin issue, historically made for checking the dies and for archival purposes, but nowadays often struck in greater numbers specially for coin collectors (numismatists). Many countries now issue them.
Read more about Proof Coinage: Production Process, United States Proof Coins
Famous quotes containing the words proof and/or coinage:
“O, popular applause! what heart of man
Is proof against thy sweet, seducing charms?”
—William Cowper (1731–1800)
“Designs in connection with postage stamps and coinage may be described, I think, as the silent ambassadors on national taste.”
—William Butler Yeats (1865–1939)
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