ATTICA. Athens. Circa 430s-420s BC. Tetradrachm (Silver, 24 mm, 17.21 g, 4 h). Head of Athena to right, wearing crested Attic helmet decorated with three olive leaves and palmette. Rev. AΘE Owl standing right, head facing; to left, olive sprig and crescent; all within incuse square. Kroll 8. Svoronos, Monnaies, pls. 12-13 passim. Struck somewhat off center and with an edge crack, otherwise, virtually as struck.