ATTICA. Athens. AR Tetradrachm (17.21 gms), ca. 454-404 B.C. NGC MS, Strike: 5/5 Surface: 3/5. HGC-4, 1597; Kroll-8. Obverse: Helmeted head of Athena right; Reverse: Owl standing right, head facing; olive sprig and crescent to left; all within incuse square. Incredibly dazzling and blast white, this argent specimen offers a fairly well centered strike on a full flan, with Athenas chin, nose, and base of crest all visible on the obverse.