The product is a 1976 D Roosevelt Dime with off-center letters on the rim and filled in mint mark. This error coin is composed of copper with a silver color, minted in Denver with a fineness of 0.75. It is a business strike type and circulated, making it a unique addition for collectors of US coins with rim errors. The coin's features and variety set it apart, making it a valuable and sought-after piece for numismatists interested in error coins.