Watch List notes:

Kings of Parthia, Vologases IV (AD 147-191). BI Tetradrachm (24mm, 7.98g, 12h). Seleukeia on the Tigris, year 501 (AD 189). 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. Sellwood 84.122-3. Good Fine