Attica, Athens. AR Tetradrachm . (22mm, 17.15g) c. 393-262 BC. Head of Athena wearing earring and crested Attic helmet decorated with olive leaves. / Owl standing r., head facing, olive-sprig and small crescent to left, AΘE to right. . 1+ (VF). SNG Cop. 63-5. S 2547.