The 1964 P Washington Silver Quarter is a highly sought-after coin due to its silver composition and high grade of MS66. This specific coin has been certified by NGC with serial number 170307-013, ensuring its authenticity and quality. Minted in Philadelphia, this business strike variety of the Washington Silver Quarter is a valuable addition to any coin collection. With a fineness of 0.9, this coin holds both historical and intrinsic value for collectors of US coins.