The product is a lot of four 1940-1944 10C Mercury Dime silver coins, minted in Philadelphia. These coins have a composition of 90% silver and are in business strike type. They are classified as fine to very fine condition and belong to the Mercury variety. The coins were issued in the United States during the specified years. Each coin is identified with the KM#140 catalog number, reflecting the specific design and minting process of the Mercury Dime series from 1916 to 1945.