Washington Quarters
THE WASHINGTON QUARTER STARTED IN 1932 AND WERE MADE OF SILVER UNTIL 1964. IN 1965 THE COMPOSITION CHANGED TO COPPER NICKEL. STARTING IN 1992, THE U.S. MINT STARTED MAKING SILVER PROOFS FOR COLLECTORS AND THERE IS A CHANCE THAT SOME "BUSINESS STRIKE" QUARTERS MAY HAVE ACCIDENTLY BEEN STRUCK ON THE SILVER PLANCHETS. THEY WOULD BE HIGHLY COLLECTABLE AND VALUABLE!