ATTICA, Athens. Circa 454-404 BC. AR Tetradrachm (23mm, 10h). 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. In ANACS encapsulation graded EF 40, test cut. Severely damaged slab.