ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (23.5mm, 17.24 g, 6h). Helmeted head of Athena right, with frontal eye / Owl standing right, head facing, closed tail feathers; olive sprig and crescent to left; all within incuse square. Kroll 8; HGC 4, 1597. Surface marks, deposits, areas of light porosity. VF.