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[edit] Current coinage
Today four mints operate in the United States producing billions of coins each year. The main mint is the Philadelphia Mint, which produces circulating coinage, mint sets and some commemorative coins. The Denver Mint also produces circulating coinage, mint sets and commemoratives. The San Francisco Mint produces regular and silver proof coinage, and produced circulating coinage until the 1970s. The West Point Mint produces bullion coinage (including proofs). Philadelphia and Denver produce the dies used at all of the mints. The proof and mint sets are manufactured each year and contain examples of all of the year's circulating coins.The producing mint of each coin may be easily identified, as most coins bear a mint mark. The identifying letter of the mint can be found on the front side of most coins, and is often placed near the year. Unmarked coins are issued by the Philadelphia mint. Among marked coins, Philadelphia coins bear a letter P, Denver coins bear a letter D, San Francisco coins bear a letter S, New Orleans coins bear a letter O and West Point coins bear a letter W. S and W coins are rarely, if ever, found in general circulation, although S coins bearing dates prior to the mid-1970s are in circulation. CC and D mint marks were used for a short time in the early-to-mid-nineteenth century by temporary mints in Carson City, Nevada and Dahlonega, Georgia, respectively; all such coins are now in the hands of collectors and museums.
[edit] Coins in circulation
Value | Image | Common Reference | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Obverse | Reverse | Diameter | Thickness | Mass | Composition | Edge | Obverse | Reverse | ||||
$0.01 | 19.00 mm | 1.55 mm | 1909-1982 3.11 g | copper 95% tin/zinc 5%1 | Plain | Abraham Lincoln | Wheat | 1909–1958 | wide2 | Wheat Penny, Penny, Cent | ||
19.05 mm | Lincoln Memorial | 1959–2008 | wide | |||||||||
see article: 2009 Redesign | 1982- present 2.50 g | core: zinc 97.5% plating: copper 2.5%1 | Lincoln bicentennial series | 2009 | ||||||||
Union shield | 2010–present | |||||||||||
$0.05 | 21.21 mm | 1.95 mm | 5.00 g | copper 75% nickel 25%3 | Plain | Thomas Jefferson | Monticello | 1938–1942, 1946–2003 | wide | Nickel | ||
see article: Westward Journey nickel | Westward Journey Series | 2004–2005 | ||||||||||
Monticello | 2006–present | |||||||||||
$0.10 | 17.91 mm | 1.35 mm | 2.268 g | copper 91.67% nickel 8.33%4 | 118 reeds | Franklin D. Roosevelt | Torch, oak branch, olive branch | 1946–present | wide | Dime | ||
$0.25 | 24.26 mm | 1.75 mm | 5.67 g | 119 reeds | George Washington | Bald Eagle | 1932–1974, 1977–19985 | wide | Quarter | |||
Bicentennial colonial military drummer | (1975) 19765 | |||||||||||
See article: 50 State Quarters | State Quarter Series | 1999–2008 | ||||||||||
See article: D.C. and U.S. Territories Quarters | D.C. and U. S. Territories Quarters | 2009 | ||||||||||
See article: America the Beautiful Quarters | America the Beautiful Quarters | 2010–2021 | ||||||||||
$0.50 | 30.61 mm | 2.15 mm | 11.34 g | 150 reeds | John F. Kennedy | Seal of the President of the United States surrounded by 50 stars | 1964–1974, 1977–present5 | limited6 | Half dollar, 50-cent piece | |||
Independence Hall | (1975) 19765 | |||||||||||
$1 | 26.50 mm | 2.00 mm | 8.10 g | reeded | Susan B. Anthony | Apollo 11 mission insignia | 1979–1981, 19998 | limited6 | SBA, Suzie B. | |||
26.50 mm | 2.00 mm | 8.10 g | copper 77% zinc 12% Manganese 7% nickel 4% | plain | Sacagawea | Bald Eagle in flight | 2000–2008 | Gold(en) dollar, Sacajawea, Sackies | ||||
see article: Native American $1 Coin Act | Plain w/ incused inscriptions | Native American Themes | 2009–present | |||||||||
see article: Presidential $1 Coin Program7 | Each deceased president | Statue of Liberty | 2007–present | Gold(en) dollar | ||||||||
These images are to scale at 2.5 pixels per millimeter. For table standards, see the coin specification table. |
[edit] Remarks
- The mass and composition of the cent changed to the current copper plated zinc core in 1982. Both types were minted in 1982 with no distinguishing mark. Cents minted in 1943 were struck on planchets punched from zinc coated steel which left the resulting edges uncoated. This caused many of these coins to rust. These "steel pennies" are not likely to be found in circulation today, as they were later intentionally removed from circulation for destruction.
- The wheat ear cent was mainstream during its time. Some dates are rare, but some can still be found in circulation.
- Nickels produced from mid-1942 through 1945 were manufactured from 56% copper, 35% silver and 9% manganese. This allowed the saved nickel metal to be shifted to industrial production of military supplies during World War II.
- Prior to 1965 and passage of the Coinage Act of 1965 the composition was 90% silver and 10% copper. The half-dollar continued to be minted in a 40% silver-clad composition between 1965 and 1970. Dimes and quarters from before 1965 and half-dollars from before 1971 generally don't remain in circulation due to being removed for their silver content.
- In 1975 and 1976 bicentennial coinage was minted. Regardless of date of coining, each coin bears the dual date "1776-1976". The Quarter-Dollar, Half-Dollar and Dollar coins were issued in the copper 91.67% nickel 8.33% composition for general circulation and the Government issued 6-coin Proof Set. A special 3-coin set of 40% silver coins were also issued by the U.S. Mint in both Uncirculated and Proof.
- Use of the Kennedy half-dollar, Susan B. Anthony and Sacagawea dollars is not as widespread as that of other coins in general circulation; most Americans use quarters, dimes, nickels and pennies only. Coins are minted for general release through banks and other financial institutions, and are also available for collectors in uncirculated rolls, mint sets and proof sets from the United States Mint.
- The Presidential Dollar series will feature portraits of all deceased U.S. Presidents with four coin designs issued each year in the order of the president's inauguration date. These coins began circulating on February 15, 2007.
- The Susan B. Anthony dollar coin was minted from 1979–1981 and 1999. The 1999 minting was in response to Treasury supplies of the dollar becoming depleted and the inability to accelerate the minting of the Sacagawea dollars by a year. 1981 Anthony dollars can sometimes be found in circulation from proof sets that were broken open, but these dollars were not minted with the intent that they circulate.
[edit] Bullion coins
Non-circulating bullion coins have been produced each year since 1986. They can be found in silver, gold and also platinum since 1997. The face value of these coins is legal as tender, but does not actually reflect the value of the precious metal contained therein.Type | Diameter | Fineness | Face Value | Content |
---|---|---|---|---|
American Silver Eagle | 40.6 mm | 999 fine silver | $1 | 1.00 troy ounce (~31.10 grams) |
American Gold Eagle | 16.5 mm 22.0 mm 27.0 mm 32.7 mm | 916 fine gold (22 karat) | $5 $10 $25 $50 | 0.10 ozt (~3.11 g) 0.25 ozt (~7.78 g) 0.50 ozt (~15.6 g) 1.00 ozt (~31.10 g) |
American Platinum Eagle | 16.5 mm 22.0 mm 27.0 mm 32.7 mm | 999.5 fine platinum | $10 $25 $50 $100 | 0.10 ozt (~3.11 g) 0.25 ozt (~7.78 g) 0.50 ozt (~15.56 g) 1.00 ozt (~31.10 g) |
American Buffalo | 32.7 mm | 999.9 fine gold (24 karat) | $50 | 1.00 ozt (~31.10 g) |
America the Beautiful Silver Bullion Coins | 76.2 mm | 999 fine silver | 25¢ | 5.00 ozt (~155.5 g) |
[edit] Commemorative coins
Modern commemoratives have been minted since 1982. A complete list is available here.Type | Total Weight | Diameter | Composition | Precious Metal Content |
---|---|---|---|---|
Half Dollar | 11.34 g | 30.61 mm (1 in) | Cu 92%, Ni 8% | none |
Dollar | 26.73 g | 38.1 mm (2 in) | Ag 90%, Cu 10% | silver 24.057 g (~0.773 ozt) |
Half Eagle | 8.359 g | 21.59 mm (1 in) | Au 90%, Ag 6%, Cu 4% | gold 7.523 g (~0.242 ozt) |
Eagle | 16.718 g | 26.92 mm (1 in) | Au 90%, Ag 6%, Cu 4% | gold 15.05 g (~0.484 ozt) |
First Spouse Eagle Bullion | 14.175 g | 26.49 mm (1 in) | Au 99.99% | gold 14.175 g (~0.456 ozt) |