The product is a 1957-D PCGS MS64 Washington silver quarter minted in Denver. It is uncirculated and has a fineness of 90% silver. The coin has been certified by PCGS, making it a trusted and authentic piece for collectors. This particular coin features a misplaced MM FS-501 designation, adding a unique element to its identification and value within the numismatic community. The 1957-D PCGS MS64 Washington silver quarter is a valuable addition to any coin collection, showcasing the craftsmanship and history of United States coinage.