![]() This level of detail doesn’t appear on coins created for circulation.Įach Proof die is closely inspected before use and goes through a special polishing process. Multiple strikes are required for Proof Coins to produce the fine, art like details created by the coins designer. Proof Coins are normally struck more than once to ensure the metal flows into all the parts of the die. The field is frosted and the design itself becomes mirrored and provides a dramatic cameo effect. Reverse Proof Coins simply reverse the frosted and mirrored portions of the coin. The technology also provides for the ability to create new types of Proof Coins like the Reverse Proof Coins. Today’s technology allows the U.s Mint to create dies for Proof Coins with unparalleled details. To produce Proof Coins with all the different finish appearances the dies must be highly crafted. Specially prepared and highly polished dies press the coin’s design into the prepared planchets in order to produce the Proof Coins we all enjoy today. They are then individually polished and cleaned before they are ready for the pressing. Planchets for Proof Coins are hand selected. Proof Coins utilize specially prepared and polished blank planchets. Proof Coins are proofs because of the way the are produced. It may have bag marks from being tossed around in bags with other coins but hasn’t been subject to the wear and tear of every day use. But what’s the difference then between an uncirculated coin and Proof Coins?Īn “Uncirculated Coin” is a coin that was minted for regular business circulation but hasn’t been circulated. So Proof Coins go through a different process to be produced than coins meant for circulation. Each coin is struck multiple times so the softly frosted, yet detailed images seem to float above a mirror-like field. The term “proof” refers to a specialized minting process that begins by manually feeding burnished coin blanks into presses fitted with special dies. Producing Proof Coins is a specialized and time-consuming process. Mint regularly produces Proof Coins of the regular coinage meant specifically for coin collectors.
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