Ancient - Greek & Roman,ATTICA: Athens, AR tetradrachm (17.11g), ca. 440-404 BC, S-2526, HGC-4/1597, helmeted head of Athena right // owl standing right, head facing, olive sprig and crescent to left, AΘE, all within incuse square, small dark spots, traces of brilliant original luster, Strike 5/5, Surface 2/5, NGC graded AU.