Proof coinage

（重定向自Proof coin）

2002 Lincoln cent, obverse, proof with cameo

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). Nearly all countries have issued proof coinage.

单词	Proof coin
释义	Proof coin 英语百科 Proof coinage （重定向自Proof coin） 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). Nearly all countries have issued proof coinage.
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