VOLOGASES IV BI TETRADRACHM, 187 C.E.
Sellwood 84, GVF, 26mm, 13.52 grams, Seleukeia on the Tigris mint
Obverse: Diademed and draped bust of Vologases to left, wearing tiara, B behind
Reverse: King at right seated to left on throne, Tyche standing to right before him, presenting a diadem and holding a scepter, date ΘQY (year 499 = 187 C.E.) above
A SHARP Tetradrachm with excellent detail for the type!