Watch List notes:

ATTICA. Athens. 510/500 - 480 BC. Tetradrachm (Silver, 21 mm, 17.49 g, 8 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. Very rare early "Owl". Flat area on the reverse, otherwise, good very fine.