Watch List notes:

KINGS of PARTHIA. Vologases IV. Circa AD 147-191. AR Drachm (19mm, 3.80 g, 12h). Ekbatana mint. Diademed bust left, wearing tiara / Archer (Arsakes I) seated right on thrones, holding bow; monogram below bow. Sellwood 84.131; Sunrise –; cf. Shore 434. Iridescent toning. Near EF.

From the Dr. Stephen J. Antonello Collection, purchased from Pars Coins, 9 January 2010.