ATTICA, Athens. Circa 485/0 BC. AR Tetradrachm (21.5mm, 17.32 g, 6h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive spray to left; all within incuse square. Seltman Group E; Asyut Group V; HGC 4, 1590. Test cut on obverse, off center on reverse. VF.