Attica, Athens. Ca. 449-404 B.C. AR tetradrachm (27,5 mm, 16,81 g, 1 h). Helmeted head of Athena right, with profile eye / AΘE, owl standing right with head facing, olive sprig and crescent behind; all within incuse square. Kroll 15; SNG Copenhagen 63. VF, large test cut.