This 1991 S Washington Quarter has been certified by PCGS with a grade of PR 68. The coin features a proof strike type and is made of clad composition. It has not been circulated and is in excellent condition. The obverse design portrays a left-facing bust of George Washington, while the reverse depicts a bald eagle with wings spread. This quarter was minted in San Francisco and has a KM number of 164. A great addition to any coin collection!