ATTICA, Athens. Circa 485/0 BC. AR Tetradrachm (21mm, 17.27 g, 4h). Helmeted head of Athena right / Owl standing right, head facing; olive sprig to left; all within incuse square. Seltman Group C; Asyut Group V; HGC 4, 1590. Compact flan, test cut on reverse. VF.