<Tr> <Th> Composition </Th> <Td> (1859--1864) 88% copper, 12% nickel (1864--1909) 95% copper, 5% tin or zinc </Td> </Tr> <Tr> <Th> Years of minting </Th> <Td> 1859--1909 </Td> </Tr> <Tr> <Th> Mint marks </Th> <Td> S. Located below the wreath on the reverse . Philadelphia Mint specimens struck without mint mark . </Td> </Tr> <Tr> <Th_colspan="2"> Obverse </Th> </Tr>

Where is the mint mark on an indian head penny