Check the listing for details. 1976-S 25C Clad (Proof) Washington Quarter. Condition: Ungraded, Made in United States. Listed at 8.00 USD. The product is a 1976-S 25C Clad (Proof) Washington Quarter, minted in San Francisco, California. This coin is composed of 75% copper, 25% nickel over a pure copper center, making it a part of the United States currency. Its proof strike type adds to its quality and collectibility, showcasing the detailed image of George Washington on the obverse. Ideal for collectors of US coins, this quarter embodies a piece of American history from the year 1976.