Attica, Athens. 449-404 B.C. AR tetradrachm (25.29 mm, 17.14 g, 8 h). Helmeted head of Athena right / AΘE, owl standing right with head facing, olive sprig and crescent behind; all within incuse square. Kroll 8; SNG Cop 31. VF, test cut, but does not detract from major devices.