ATTICA. Athens. Circa 430s-420s BC. Tetradrachm (Silver, 24 mm, 17.08 g, 10 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 pls. 12-13 passim. Harshly cleaned and with a banker's mark on the obverse, otherwise, good very fine.