The product is a 1921 Walking Liberty Half Dollar, a key date coin made of silver with a fineness of 0.9. Minted in Philadelphia, this coin features the Liberty Walking design and is part of the United States currency. This particular coin is uncirculated and ungraded, making it a valuable addition to any coin collection. The coin's high level of craftsmanship and historical significance make it a sought-after piece for collectors and numismatists.