Attica, Athens. Tetradrachm; Attica, Athens; c. 425 BC, Tetradrachm, 17.15g. Obv: Helmeted head of Athena r. Rx: Owl standing r., head front, crescent and olive twig with two leaves behind, ?T? in r. field. Ex CNG 87, 18 May 2011, lot 458; with printed auction ticket.. EF