Attica, Athens. Ca. 454-404 B.C. AR tetradrachm (22 mm, 17.08 g, 12 h). Helmeted head of Athena right / AΘE, owl standing right, head facing; olive sprig and crescent behind; all within incuse square. Kroll 8; SNG Copenhagen 31. Toned EF, two bankers' marks on obverse, another on reverse. Nicely centered and quite attractive.