The United States Mint

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Denomination	Cent	Nickel	Dime	Quarter	Half Dollar	Dollar	Golden Dollar
Composition	Copper Plated Zinc 2.5% Cu Balance Zn	Cupro-Nickel 25% Ni Balance Cu	Cupro-Nickel 8.33% Ni Balance Cu	Cupro-Nickel 8.33% Ni Balance Cu	Cupro-Nickel 8.33% Ni Balance Cu	Cupro-Nickel 12.5% Ni Balance Cu	Manganese-Brass 88.5% Cu 6% Zn 3.5% Mn 2% Ni
Weight	2.500 g	5.000 g	2.268 g	5.670 g	11.340 g	8.1 g	8.1 g
Diameter	0.750 in. 19.05 mm	0.835 in. 21.21 mm	O.705 in. 17.91 mm	O.955 in. 24.26 mm	1.205 in. 30.61 mm	1.04 in. 26.50 mm	1.043 in. 26.5 mm
Thickness	1.55 mm	1.95 mm	1.35 mm	1.75 mm	2.15 mm	2.00mm	2.00 mm
Edge	Plain	Plain	Reeded	Reeded	Reeded	Reeded	Plain
No. of Reeds	N/A	N/A	118	119	150	133	N/A

The numbers of reeds by denomination are:

Denomination

One Cent
Five Cent
Dime
Quarter
Half Dollar
Dollar (1.04 diameter)
Susan B. Anthony Dollar
Golden Dollar

Highest number of reeds
Silver American Eagle one ounce
Lowest number of reeds
$1 Gold Coin (.511-inch diameter) Number of Reeds

    0
    0
118
119
150
189
133
    0

201

  81

Note: American Eagle coins and many commemorative and coins also are reeded.

(Denominations in Bold Type Are Still Authorized)

HALF CENT CENT TWO-CENT SILVER THREE-CENT NICKEL THREE-CENT NICKEL FIVE-CENT HALF DIME DIME TWENTY-CENT QUARTER DOLLAR HALF DOLLAR DOLLAR	1793 - 1857 1793 TO DATE 1864 -1873 1851 - 1873 1865 - 1889 1866 TO DATE 1794 - 1873 1796 TO DATE 1875 - 1878 1796 TO DATE 1794 TO DATE 1794 TO DATE
(Includes: Eisenhower - 1971 through 1978 Susan B.Anthony - 1979 to 1980 and 1999 The Golden Dollar - 2000 to date)

Cost of Producing the Penny, Nickel, Dime, Quarter, Half-dollar and Golden Dollar Coins.

Golden Dollar	Half Dollar	Quarter	Dime	Nickel	Penny
21.14 cents	16.97 cents	7.33 cents	3.14 cents	4.56 cents	.93 cents

(United States Mint, 2004 Annual Report, pg. 45)

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