Kings of Parthia, Vologases VI (c. AD 208-228). BI Tetradrachm (25mm, 13.12g, 12h). Seleukeia on the Tigris, year 531 (AD 219/220). Diademed and draped bust l., wearing tiara; B behind. R/ Vologases seated left on throne, Tyche standing r. before him, presenting a diadem and holding sceptre. Sellwood 88.14. Near VF