Watch List notes:

KINGS of MACEDON. Antigonos I Monophthalmos. As Strategos of Asia, 320-306/5 BC. AR Tetradrachm (26.5mm, 17.03 g, 6h). In the name and types of Alexander III. Tarsos mint. Struck circa 316-301 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; ΣΩ in left field, monogram below throne. Price 3807 (Carrhae). VF, toned, some light roughness. Very rare, six in Pella, none in CoinArchives.

From the Colin E. Pitchfork Collection, purchased from Italo Vecchi, 20 December 1995.