ATTICA. Athens. Circa 455-449 BC. Tetradrachm (Silver, 23 mm, 17.18 g, 9 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. HGC 4, 1596. Starr Group V. Flan crack, otherwise, very fine.