Watch List notes:

SELEUKID KINGS OF SYRIA. Antiochos I Soter, 281-261 BC. Hemidrachm (Silver, 13 mm, 2.04 g, 6 h), Aï Khanoum. Diademed head of Antiochos I to right. Rev. ΒΑΣΙΛΕΩΣ ΑΝΤΙΟΧΟΥ Head of a horned horse to right; before, monogram of ΟΔ. HGC 9, 137 (R3). ESM 691. SC 434. Toned. Very fine.

From the Thomas Kirby Collection, USA.