Continental Greece. Attica, Athens. AR Tetradrachm, 479-393 BC. D/ Head of Athena right, helmeted, with frontal eye. R/ Owl standing right, head facing; behind, olive sprig and crescent. SNG Cop. 31-40. AR. g. 17.23 mm. 25.00 Superb, brilliant and lightly toned. EF.