Ancient - Greek,ATTICA: Anonymous, 449-413 BC, AR tetradrachm (17.15g), S-2526, Athens, helmeted bust of Athena right , owl standing right with head facing, olive spray and moon behind, bold strike, NGC graded Mint State Strike: 4/5, Surface: 3/5. Quantities of tetradrachms were minted to pay for such projects as the rebuilding of the citys temples, to finance new buildings such as the Parthenon, and to fund the Peloponnesian War, which was to ruin Athens financially.