ATTICA. Athens. AR Tetradrachm (17.10 gms), ca. 454-404 B.C. NGC EF, Strike: 5/5 Surface: 4/5. 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. A bold and elegant striking, this popular type presents a fairly well centered strike on each side, with nearly all of Athenas helmet crest visible on the flan. Ex: Classical Numismatic Group 76 (9/2007) Lot #468 @ $1,880 hammer.