ATTICA. Athens. Circa 430s-420s BC. Tetradrachm (Silver, 23 mm, 17.21 g, 1 h). Head of Athena to right, wearing crested Attic helmet decorated with three olive leaves and palmette. Rev. ΑΘE Owl standing right, head facing; to left, olive sprig and crescent; all within incuse square. Kroll 8. Svoronos, Monnaies, pls. 12-13 passim. Bold and clear, an interesting example of unusual style. The reverse struck somewhat off center, otherwise, good extremely fine.