ATTICA. Athens. AR Tetradrachm (17.16 gms), ca. 454-404 B.C. NGC Ch AU, Strike: 5/5 Surface: 3/5. Kroll-8; HGC-4, 1597. Obverse: Helmeted head of Athena right; Reverse: Owl standing right, head facing; olive sprig and crescent to left; all within incuse square. A deeply toned example with a bold, well centered strike on a somewhat compact flan for the type.