Watch List notes:

SELEUKID EMPIRE. Antiochos I Soter. 281-261 BC. AR Drachm (16.5mm, 3.65 g, 3h). Aï Khanoum mint. Struck circa 280-271 BC. Diademed head right / Horned and bridled horse's head right, with braided, flame-like forelock; Δ in circle to right of neck. SC 431.3; SMAK A1DH-2–3 var. (a2/p– [unlisted rev. die]); HGC 9, 136. VF, toned, some roughness and smoothing. Very rare.