Attica, Athens. Tetradrachm; Attica, Athens; c. 454-449 BC, Tetradrachm, 17.10g. Starr-Group V.B. Obv: Helmeted head of Athena r. Rx: Owl standing r., head front, olive twig with two leaves behind, ATE in r. field. From The Mark Gibbons Collection.. EF