Mint marks space letters that determine where a coin to be made. They host the an equipment responsible for the quality of a coin. As soon as the U.S. Used precious metals such as gold and silver to do circulating coins, a commission evaluated the metal compositions and quality the coins from each of the Mint facilities. The evaluations ensured the each facility developed coins come the exactly specifications.
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This changed in 1942. As soon as nickel was removed from five-cent coins during civilization War II, the “P” mint mark an initial appeared ~ above coins developed in Philadelphia. The mark’s position also moved indigenous the right of Monticello to over the dome to show the brand-new metal composition. After the war, once use the the continuous alloy resumed, the mint mark returned come its previous position and the Mint no much longer used Philadelphia’s “P.”
In 1979, the Susan B. Anthony dollar coin to be introduced. As soon as again, the “P” mint mark appeared. The following year, the “P” showed up on every one of the denominations other than the cent, which quiet holds true today.
The table below lists the mint marks because that each the the Mint’s current and also historic facilities, and also the dates they provided the mark.
|Carson City (NV)||CC||1870-1893|
|New orleans (LA)||O||1838-1861, 1879-1909|
|Philadelphia (PA)||P||1942-45, 1979-Present|
|San Francisco (CA)||S||1854-1955, 1968-Present|
|West allude (NY)||W||1984-Present|
Mint mark FactsNo mint marks appeared on turn coins native 1965 come 1967. The Coinage plot of 1965 got rid of mint marks to discourage collecting while the Mint operated to meet the country’s coinage needs.Mint point out were put on the turning back of coins till 1968 once they moved to the obverse.The mountain Francisco Mint do circulating coins with the “S” mint note from 1854 come 1955. ~ that, they developed “S” circulating coins from:1968-1974: cents1968-1970: nickels1979-1981: dollarsIn 1968, evidence coin production moved from the Philadelphia Mint to san Francisco and proof coins got the “S” mint mark.The West point Bullion Depository make circulating cent from 1973 come 1986 and also circulating quarters in 1976 to 1979. The san Francisco Mint likewise produced turn cents approximately this time. This coins walk not have actually mint point out so the they couldn’t be distinguished from Philadelphia coins.In 2017, the “P” mint mark showed up for the very first time on turn around cents. This change was only for the 2017 issued cents, in honor of the U.S. Mint’s 225th anniversary.In 2019, the “W” mint mark appeared for the first time ~ above a turn coin. The West point Mint created 10 million soldier in the 2019 America the Beautiful soldier Program.
Mint point out on Medals
Most medals don’t have mint marks. The Philadelphia Mint renders Congressional gold Medals and their copper duplicates, Presidential Medals, and most others. However for particular numismatic silver medals, various other Mint infrastructure may help. The Mint areas the mint note on several of these medals because that marketing reasons. The mark deserve to be top top the obverse or turning back side, relying on how it fits right into the design.
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Mint point out on Dies
The Philadelphia Mint makes grasp hubs for all the coins and medals the U.S. Mint produces. The mint mark is included to the grasp hub because that each facility, i beg your pardon is supplied to make numerous generations the dies and also hubs. Hubs display the picture the means the artist created it. Dies are favor a picture negative, displaying the architecture in reverse.