Greek Coinage, Arsacid Kings of Parthia, Vologases IV (c. 147-191), Tetradrachm, Seleukeia on the Tigris, Diou SE 489 (October 159). Diademed and draped bust left, wearing tiara; B behind, rev. Vologases seated left on throne, Tyche standing right before him, presenting a diadem and holding sceptre; year above, month below, 12.54g/12h (Sellwood 84.21). Very fine, toned £80-100