Watch List notes:

KINGS of PARTHIA. Vologases IV. Circa AD 147-191. Æ Tetrachalkon (22mm, 8.62 g, 2h). Edessa mint. Diademed bust left; B to right / Large symbol. Sellwood 84.134; Sunrise –; Shore 436. Brown surfaces, cleaning marks, traces of earthen deposits. VF.