ATTICA, Athens. Circa 454-404 BC. Fourrée Tetradrachm (22.5mm, 14.63 g, 2h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive sprig and crescent behind; all within incuse square. For prototype, cf. Kroll 8; cf. HGC 4, 1597. Fine, toned, core exposed in spots.