United States Mint Collection
The United States Mint produces circulating coinage for the United States to conduct its trade and commerce, as well as controlling the movement of bullion. It does not produce paper money; that responsibility belongs to the Bureau of Engraving and Printing. The Mint was created in Philadelphia in 1792, and soon joined by other centers, whose coins were identified by their own mint marks. There are currently four active coin-producing mints: Philadelphia, Denver, San Francisco, and West Point.
The Mint was created by Congress with the Coinage Act of 1792, and originally placed within the Department of State. Per the terms of the Coinage Act, the first Mint building was in Philadelphia, then the capital of the United States; it was the first building of the Republic raised under the Constitution. Today, the Mint's headquarters (a non-coin-producing facility) are in Washington D.C.. It operates mint facilities in Philadelphia, Denver, San Francisco, and West Point, New York and a bullion depository at Fort Knox, Kentucky. Official Mints (Branches) were once also located in Carson City, Nevada; Charlotte, North Carolina; Dahlonega, Georgia; New Orleans, Louisiana; and even in Manila, in the Philippines.
Originally part of the State Department, the Mint was made an independent agency in 1799. It converted precious metals into standard coin for anyone's account with no seigniorage charge beyond the refining costs. Under the Coinage Act of 1873, the Mint became part of the Department of the Treasury. It was placed under the auspices of the Treasurer of the United States in 1981. Legal tender coins of today are minted solely for the Treasury's account.
The Mint manages extensive commercial marketing programs. The product line includes special coin sets for collectors, national medals, American Eagle gold, silver and platinum bullion coins, and commemorative coins marking national events such as the Bicentennial of the Constitution. The Mint's functions include:
- Producing domestic, bullion and foreign coins;
- Manufacturing and selling national commemorative medals;
- Designing and producing the congressional gold medals;
- Designing, producing, and marketing special coinage;
- Safeguarding and controlling the movement of bullion;
- Disbursing gold and silver for authorized purposes;
- Distributing coins from the various mints to Federal Reserve Banks.
There are four active coin-producing mints: Philadelphia, Denver, San Francisco, and West Point.
The Mint's largest facility is the Philadelphia Mint. The current facility, which opened in 1969, is the fourth Philadelphia Mint. The first was built in 1792, when Philadelphia was still the U.S. capital, and began operation in 1793. Until 1980, coins minted at Philadelphia bore no mint mark, with the exceptions of the Susan B. Anthony dollar and the wartime Jefferson nickel. In 1980, the P mint mark was added to all U.S. coinage except the cent. Until 1968, the Philadelphia Mint was responsible for nearly all official proof coinage. Philadelphia is also the site of master die production for U.S. coinage, and the engraving and design departments of the Mint are also located there.
The Denver branch began life in 1863 as the local assay office, just five years after gold was discovered in the area. By the turn of the century, the office was bringing in over $5 million in annual gold and silver deposits, and in 1906, the Mint opened its new Denver branch. Denver uses a D mint mark and strikes coinage only for circulation, although it did strike, along with three other mints, the $10 gold 1984 Los Angeles Olympic Commemorative. It also produces its own working dies, as well as working dies for the other mints. Although the Denver and Dahlonega mints used the same mint mark D, they were never in operation at the same time, so this is not a source of ambiguity.
The San Francisco branch, opened in 1854 to serve the goldfields of the California Gold Rush, uses an S mint mark. It quickly outgrew its first building and moved into a new facility in 1874. This building, one of the few that survived the great earthquake and fire of 1906, served until 1937, when the present facility was opened. It was closed in 1955, then reopened a decade later during the coin shortage of the mid-60s. In 1968, it took over most proof-coinage production from Philadelphia, and since 1975, it has been used solely for proof coinage, with the exception of the Anthony dollar and a portion of the mintage of cents in the early 1980s. (These cents are indistinguishable from those minted at Philadelphia.)
The West Point branch is the newest mint facility, gaining official status as a branch mint in 1988. Its predecessor, the West Point Bullion Depository, was opened in 1937, and cents were produced there from 1973 to 1986. Along with these, which were identical to those produced at Philadelphia, West Point has struck a great deal of commemorative and proof coinage bearing the W mint mark. In 1996, West Point produced clad dimes, but for collectors, not for circulation. The West Point facility is still used for storage of part of the United States' gold bullion reserves, and West Point is now the United States' production facility for gold, silver and platinum American Eagle coins.
While not a coin production facility, the U.S. Bullion Depository at Fort Knox, Kentucky, is another facility of the Mint. Its primary purpose is for storage of the United States and other countries' gold and silver bullion reserves.
Credits: United States Mint
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