Watch List notes:

Vologases IV (147-191), Tetradrachm, Seleukeia on the Tigris, AD 167 ; AR (g 13,94; mm 26; h 12); Bearded bust l., wearing double banded diadem and tiara; behind, B, Rv. ΒΑΣΙΛΕΩΣ / ΒΑΣΙΛΕΩΝ / ΑΡΣΑΚΟY / OΛΑΓΑΣΟΥ / ΔΙΚΑΙΟY / ΕΠΙΦΑΝΟYΣ / ΦΙΛΕΛΛΗΝΟΣ, king enthroned l., receiving a diadem from Tyche l.; above, ΘOΥ. Sellwood 84.34-35.
Lightly toned, about extremely fine.

Ex Dr. Busso Peus Nachfolger, Auction 388 (1 November 2006), lot 686.