The product is a 1941 S NGC MS65 FB Mercury Dime, which is a silver 10 cent coin from the United States Mint. It is a business strike coin with a fineness of 0.9 and has been graded as MS 65 by NGC. The coin is in uncirculated condition and is a part of the original bag fragment series, making it a desirable collector's item for those interested in US dimes and the Mercury series.