Essentially, a mint mark was added to the coin to hold that Mint accountable for the quality, size, and weight of a coin. If a problem was found on a series of coins for example, if the coins were found to be underweight , they could be traced back to the mint where they were made and hold those officials responsible. The first mint branch was established in Philadelphia.
Since there was only one branch of the Mint, it was not necessary to use a mintmark. This practice of no mint mark continued on all coins minted in Philadelphia, with only one notable exception, keep reading for more on this until Anthony Dollar. A year later, the P Mint mark began to appear on all almost all coin denominations except for the penny. Mint, a P Mint mark appeared on the penny. The Mint did not announce it was making this exception, they just quietly released the coins into circulation.
They were probably waiting to see if collectors would even notice — and they did. In , the P Mint mark once again disappeared from the penny.
In the early s, America experienced its first two gold rushes in North Carolina and Georgia. The Philadelphia Mint was strained to its limits to melt, refine, and produce coins from this gold. At the start of the Civil War, the Confederates took over these three mints and sporadically produced their own coins. In , the U. The mint facility in this romantic and popular West Coast city was opened shortly after the gold rush in California.
It was more economical to refine and coin locally than to ship raw bullion ore all the way to Philadelphia. No "S" coins were minted from Named after the famous frontiersman Kit Carson, this intriguing capital city of Nevada was chosen as a mint location because of its nearness to such rich silver mines as the Comstock Lode of Virginia City, Nevada.
Note: "C" mint mark gold coins were struck from at Charlotte, North Carolina. Nicknamed the "Crescent City" for its location stretching around a bend in the Mississippi River, fascinating New Orleans was the site of a branch mint which handled bullion ore from southern mines. After closure, the building lay vacant until converted to a museum and art center.
This short-lived southern branch mint struck only gold coins during its brief existence. It was seized in by the Confederacy and was never re-opened. Another short-lived southern branch mint that struck only gold coins. It too was seized in by the southern forces and was never re-opened as a mint. All rights reserved. Eustis Road, Littleton, NH Identify the coin as minted in Philadelphia if the coin bears a P as its mint mark and has a date of or newer. Note that Philadelphia still does not put mint marks on its Lincoln pennies.
Identify the coin as minted in Philadelphia if it bears no mint mark and has a date from through The Philadelphia mint did not use mint marks on any of its coins produced from through Find the single-letter mint mark on the back of your coin.
Identify the coin as minted in Denver if the coin bears a D as its mint mark and if the coin was minted after , the year the United States founded the Denver mint. The United States minted coins in Dahlonega, Georgia, from to and stamped all of those coins with a D mint mark. When the Mint branches in Charlotte, Dahlonega, and New Orleans opened in , mint marks made their first appearance on U.
This changed in In , the Susan B. Anthony dollar coin was introduced. But for certain numismatic silver medals, other Mint facilities may help. The Mint places the mint mark on some of these medals for marketing reasons.
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