ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (26mm, 17.16 g, 7h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square. Kroll 8; SNG Copenhagen 31. VF, toned, slightly ragged edge, test cut on reverse.