Composition of Pre-1965 Modern U.S. Coinage

Cent (1864 -1982) weight 3.11 grams .950 copper .05 tin
Nickel (1866- weight 5 grams .750 copper .250 nickel
Dimes (1873 -1964) weight 2.5 grams .900 silver .100 copper
Quarters (1873-1964) weight 6.25 grams .900 silver .100 copper
Half Dollars (1873-1964) weight 12.5 grams .900 silver .100 copper