ATTICA, Athens. Circa 475-465 BC. AR Tetradrachm (24mm, 17.12 g, 5h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing, with spread tail feathers; olive sprig and crescent to left; all within incuse square. Starr Group IV, unlisted dies; HGC 4, 1595. Minor pitting on obverse. Near EF.