The Composition of Modern U.S. Coins
1965 - -
| Coin |
Composition |
Diameter |
Weight |
| Cent (to 1982) |
.950 copper .050 tin and zinc |
19 mm |
3.11 grams |
| Cent (1982 to date) |
.992 zinc .008 copper |
19 mm |
2.5 grams |
| 5 cents (Nickel) |
.750 copper .250 nickel |
21.2 mm |
5 grams |
| 10 cents (Dime) |
clad coinage: .750 copper and .250 nickel bonded to an inner core
of pure copper |
17.9 mm |
2.27 grams |
| 25 cents (Quarter) |
clad coinage: .750 copper and .250 nickel bonded to an inner core
of pure copper |
24.3 mm |
5.67 grams |
| 50 cents (half dollar) |
clad coinage: .750 copper and .250 nickel bonded to an inner core
of pure copper |
30.6 mm |
11.34 grams |
| SBA $1.00 |
clad coinage: .750 copper and .250 nickel bonded to an inner coire
of pure copper |
26.5 mm |
8.1 grams |
| Sacagawea $1.00 |
.885 copper .06 zinc . .035 manganese .02 nickel |
26.5 mm |
8.1 grams |
|
United States Clad Coinage after 1965
U.S. Silver Coins - When they ended and what they're worth.
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