ATTICA. Athens. Circa 430s-420s BC. Tetradrachm (Silver, 26 mm, 16.81 g, 1 h). Head of Athena to right, wearing crested Attic helmet decorated with three olive leaves and palmette. Rev. ΑΘΕ Owl standing right, head facing; to left, olive sprig and crescent; all within incuse square. Kroll 8. Svoronos pls. 15-17 passim. Harshly cleaned and somewhat porous, otherwise, nearly extremely fine.