ATTICA. Athens. AR Tetradrachm (17.20 gms), ca. 454-404 B.C. NGC Ch EF, Strike: 5/5 Surface: 5/5. HGC-4, 1597; Kroll-8; SNG Cop-31. Obverse: Helmeted head of Athena right; Reverse: Owl standing right, head facing; olive sprig and crescent to left; all within incuse square. An elegant and attractive example of the popular type, featuring a great strike on a somewhat compact flan.