Watch List notes:

KINGS OF MACEDON. Alexander III 'the Great', 336-323 BC. Tetradrachm (Silver, 29 mm, 17.08 g, 12 h), uncertain mint in western Asia Minor, c. 240-180. Head of youthful Herakles in lion's skin headdress to right. Rev. ΑΛΕΞΑΝΔΡΟΥ Zeus seated to left on throne, holding eagle on his outstretched right hand and long scepter in his left; to left, serpent within wreath. Price 2820A. Extremely rare and one of the few that exist. Struck on a relatively broad flan. Reverse struck slightly off centre, otherwise, good very fine.