ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (21.5mm, 17.17 g, 7h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing; olive spray and crescent to left; all within incuse square. Kroll 8; HGC 4, 1597. Lightly toned, underlying luster, oblong flan, a few light marks and small scuff on obverse. Good VF.