The Parthian Kingdom - Vologases IV (147-191 AD) - AR tetradrachm (13.41 g.). Bust of king left with long tapered beard with square cut end, wearing tiara with hooks on the crest and long curved earflap, lock of hair on forehead representing royal wart. B behind head / King seated left on throne, Tyche standing right before him, presenting diadem and holding sceptre. ΑϘΥ above diadem (Seleucid year 491 = 179/180 AD). Ref.: Selwood 84.64-66; Shore 431. Nicely toned. gVF