Attica, Athens, c. 454-404 BC; AR Tetradrachm (25,03 mm, 15,30 g). Possible an Eastern imitation. Helmeted head of Athena r. R/ Owl standing r. with closed wings; on l., olive twig and crescent. All within incuse square. Kroll 8; SNG Copenhagen 31; HGC 4, 1597. Very fine.