ATTICA, Athens. Circa 475-465 BC. AR Tetradrachm (24mm, 17.18 g, 10h). 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 rev. dies; HGC 4, 1595. Test cut on obverse, with corresponding cracks. Good VF.