Attica. Athens. c. 430-406 BC. Tetradrachm, 17.16g (3h). Obv: Helmeted head of Athena right. Rx: ΑΘΕ Owl standing right, head facing, olive spray and crescent in upper left field, all within incuse square. Svoronos pl. 13, 2. Flament pl. VIII, 4. Close to Mint State