The product is a 1970-S Washington Quarter 25C proof coin from San Francisco, composed of 75% copper and 25% nickel over a pure copper center. This collectible coin features President George Washington on one side and is classified as a clad coin due to the use of copper and nickel materials. The coin has a strike type of proof and holds a variety of Washington. The product is categorized under Washington Quarters in the US coins section of coins and paper money.