ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (23mm, 17.00 g, 9h). Helmeted head of Athena right, with frontal eye; c/m: uncertain design in incuse circle / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square. Kroll 8; HGC 4, 1597. VF, toned, flan crack from test punch on reverse.