Attica, Athens. Tetradrachm; Attica, Athens; c. 440 BC, Tetradrachm, 17.14g. Obv: Helmeted head of Athena r. Rx: Owl standing r., head front, crescent and olive twig with two leaves behind, ΑΘΕ downwards in r. field. From the Mark Gibbons Collection.Toned.. Near Mint State