ATTICA. Athens. AR Tetradrachm (16.42 gms), ca. 440-404 B.C.Svoronos-pl. 14#4. Helmeted head of Athena facing right; Reverse: Owl standing right, head facing, olive sprig and crescent moon behind, all within incuse square. Some porosity though well struck. A nice entry level example for this iconic type.NGC EF, Strike: 4/5 Surface: 2/5.