What this coin looks like (obverse, reverse, mint mark location, special features, etc.):
The bicentennial Washington quarter features a 1776-1976 date on the obverse and a colonial drummer on the reverse of the coin to celebrate the 200th anniversary of the United States of America. This coin was produced in both years of 1975 through 1976 so there were no 1975 coins. All clad coins produced from the San Francisco Mint were struck as proof coins and bear the "S" mint mark.
Coin valuation chart: Typical coin prices, values and worth per grade or condition - in USD