Watch List notes:

ATTICA. Athens. 510/500 - 480 BC. Tetradrachm (Silver, 22 mm, 16.67 g, 1 h). Archaic head of Athena to right, wearing crested Attic helmet and disk earring. Rev. AΘE Owl standing to right, head facing; olive sprig behind. HGC 4, 1591. Seltman groups E-F. Actually clear and well-struck. Test cut on the reverse, otherwise, about very fine.