The product described is a set of circulated 1940 birth year coins featuring the Liberty Walking design, minted in Philadelphia with a silver composition. The set includes a half dollar coin with a fineness of 0.9, making it a valuable addition to any coin collection or investment portfolio. The coins are uncertified and ungraded, reflecting their original business strike type, adding to their authenticity and historical significance as pieces from the United States during the early 20th century.