The 1977-S 25C DCAM (Proof) Washington Quarter is a valuable coin minted in San Francisco, California. This specific coin is composed of 75% copper and 25% nickel over a pure copper center, making it a unique and collectible piece. The strike type of this quarter is proof, adding to its quality and desirability among coin collectors. With its historical significance and limited mintage, this Washington Quarter from 1977 is a sought-after addition to any coin collection.