Roosevelt Dimes: 1946-ongoing
- Designer: John R. Sinnock
- Diameter: 0.70 inch (17.9 mm) with reeded edge
- Mints: Philadelphia, Denver, and San Francisco
Variety 1
1946 through 1964
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- Composition: 90% silver, 10% copper
- Weight: 2.50 grams
- Mint marks: D or S on reverse, at left of bottom of torch
Variety 2
1965 to date
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- Composition: 3-layer Cupro/Nickel clad.
Outer layers: 75% copper, 25% nickel
Inner layer: 100% copper
- Weight: 2.27 grams
- Mint marks:
1965-1967: no mint marks
1968-1979: D or S on obverse, above the date
1980 to date: P, D, or S on obverse, above the date
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