ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (22mm, 17.14 g, 9h). Helmeted head of Athena right / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square. Kroll 8; SNG Copenhagen 31; SNG München 49; Dewing 1591–8. VF, toned, test cut and banker's mark on reverse.