Watch List notes:

Parthian Kingdom. Vologases IV. Ca. A.D. 147-191. AR tetradrachm (27.04 mm, 11.26 g, 1 h). Seleukeia on the Tigris mint, S.E. 476. Diademed bust left, wearing tiara, with tapering beard; Β to right / Vologases seated left on throne, receiving diadem from Tyche standing right and holding scepter; A(koppa)V (year) above, ΑΠΕΛΑ[ΙΟΥ] (month) below. Sellwood 84.31. EF. Very Rare. 

Ex Tom Cederlind Estate.