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U.S. Coins - Weights & Specifications<br />
by Fred Weinberg (fredweinberg.com)<br />
Denomination <strong>Issue</strong> Date Weight in Grains Tolerance in Grains Die (mm) Thick (mm) S.G. Composition<br />
Half Cent 1793-1795 104 23.5 8.92 Pure Copper<br />
1796-1857 84 23.5 8.92 Pure Copper<br />
Large Cent 1793-1795 208 26-28 8.92 Pure Copper<br />
1796-1857 168 29 8.92 Pure Copper<br />
Small Cent 1856-1864 72 2 19.3 2.2 8.92 88 Cu, 12 Ni<br />
1864-1942 48 2 19.05 2.2 8.84 95 Cu, 5 tin/zinc<br />
1943 42.5 2 19.05 1.575 7.8 Zinc coated steel<br />
1944-1946 48 2 19.05 1.575 8.86 70 Cu, 30 zinc<br />
1947-1962 48 2 19.05 1.575 8.84 95 Cu, 5 tin/zinc<br />
1963-1982 48 2 19.05 1.575 8.86 95 Cu, 5 zinc<br />
1982-Date 38.58 19.05 1.575 7.17 Copper Plated Zinc<br />
Two Cent 1864-1873 96 23 8.84 95 Cu, 5 tin/zinc<br />
3¢ Nickel 1865-1889 30 17.9 8.92 75 Cu, 25 Ni<br />
3¢ Silver 1851-1853 12.375 14 10.<strong>11</strong> 75 Ag, 25 Cu<br />
1854-1873 <strong>11</strong>.52 14 10.34 90 Ag, 10 Cu<br />
Five Cent 1866-1883 77.16 3 20.5 1.981 8.92 75 Cu, 25 Ni<br />
1883-1942 77.16 21.21 1.989 8.92 75 Cu, 25 Ni<br />
1942-1945 77.16 3 21.21 1.981 9.32 35 Ag, 56 Cu, 9 Mg<br />
1946-Date 77.16 3 21.21 1.981 8.92 74 Cu, 25 Ni<br />
Half Dime 1794-1805 20.8 16.5 .7 10.32 90 Ag, 10 Cu<br />
1829-1837 20.8 15.5 10.32 90 Ag, 10 Cu<br />
1829-1837 ? 20 15.5 10.34 90 Ag, 10 Cu<br />
1853-1873 19.2 15.5 10.34 90 Ag, 10 Cu<br />
Dime 1796-1828 41.6 18.8 10.32 89.2 Ag, 10.8 Cu<br />
1828-1837 41.6 17.9 10.32 90 Ag, 10 Cu<br />
1837-1853 41.25 1.5 17.9 1.346 10.34 90 Ag, 10 Cu<br />
1853-1873 38.4 1.5 17.9 1.346 10.34 90 Ag, 10 Cu<br />
1873-1964 38.58 1.5 17.9 10.34 90 Ag, 10 Cu<br />
1965-Date 35 17.9 8.92 75 Cu, 25 Ni on Cu core<br />
Twenty Cent 1875-1878 77.16 22.5 10.34 90 Ag, 10 Cu<br />
Quarter 1796-1828 104 27 10.32 89 Ag, <strong>11</strong> Cu<br />
1831-1839 104 24.3 90 Ag, 10 Cu<br />
1837-1853 103.12 3 24.26 10.34 90 Ag, 10 Cu<br />
1853-1873 96 3 24.26 10.34 90 Ag, 10 Cu<br />
1873-1964 96.45 3 24.26 1.701 10.34 90 Ag, 10 Cu<br />
1965-Date 87.5 3 24.26 1.701 8.95 75 Cu, 25 Ni on Cu<br />
1976 (40%) 88.74 3 24.26 9.53 80 Cu, 20 Ag on 20 Ag, 80 Cu core<br />
Half Dollar 1794-1836 208 32.5 1.75 10.32 89 Ag, <strong>11</strong> Cu<br />
1836-1853 206.25 4 30.6 1.75 10.34 90 Ag, 10 Cu<br />
1853-1873 192 4 30.6 1.75 10.34 90 Ag, 10 Cu<br />
1873-1964 192.9 4 30.6 2.184 10.34 90 Ag, 10 Cu<br />
1965-1970 177.5 4 30.6 2.184 9.53 80 Ag, 20 Cu, 20 Ag core<br />
1971-Date 175 30.6 2.184 8.92 75 Cu, 25 Ni on Cu<br />
1976 (40%) 177.47 6 30.6 9.53 80 Ag, 20 Cu on 20 Ag, 80 Cu core<br />
Silver Dollar 1794-1803 416 39-40 10.32 89 Ag, <strong>11</strong> Cu<br />
1840-1935 412 6 38.1 2.896 10.34 90 Ag, 10 Cu<br />
Ike $1-Clad 1971-1978 350 38.1 8.92 75 Cu, 25 Ni on Cu core<br />
Ike $1-Silver 1971-1976 379.5 38.1 9.53 80 Ag, 20 Cu on 20 Ag, 80 Cu core<br />
Trade Dollar 1873-1885 420 38.1 10.34 90 Ag, 10 Cu<br />
SBA Dollar 1979-1981 125 6 26.5 8.92 75 Cu, 25 Ni on Cu core<br />
Commem Dollar 1983-1988 412.5 38.1 10.34<br />
Am. Eagle $1 1986-Date 479.9 40.6 99.93 Ag, .07 Cu<br />
SBA Dollar 1999<br />
Sacagawea $1 2000<br />
Page 61<br />
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