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:
“If any doubt has arisen as to me, my country [Virginia] will have my political creed in the form of a “Declaration &c.” which I was lately directed to draw. This will give decisive proof that my own sentiment concurred with the vote they instructed us to give.”
—Thomas Jefferson (1743–1826)
“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)