Watch List notes:

Kings of Parthia, Vologases IV (AD 147-191). BI Tetradrachm (26mm, 10.75g, 12h). Seleukeia on the Tigris, year 483 (AD 171). Diademed and draped bust l., wearing tiara; B behind. R/ Vologases seated l. on throne, Tyche standing r. before him, presenting a diadem and holding sceptre. Cf. Sellwood 84.41-5. VF