Arsacid Kings of Parthia, Arsacid Kings of Parthia, Vologases IV (c. AD 147-91), Æ Dichalkos, Seleukeia-on-the-Tigris, yr. 491 [AD 179-80], diademed and bearded bust left, wearing tiara and neck flap, rev. bust of Tyche right, holding wreath, a in front, 4.91g/12h (Sellwood 84.160; Shore –; BMC Parthia p.234, 80 [Vologases III]). Good very fine, earthy dark patina (£80-100)