Washington Quarters (1932-1998)

Washington Quarters have been minted since 1932. There have been a number of changes to composition starting with 1932-1964 which is 90% silver, 1965-1998 are copper-nickel clad, while proofs minted from 1992-1998 are minted in both copper-nickel and 90% silver. There are also 1976 40% silver bicentennial issues.