Watch List notes:

Vologases IV (147-191), Tetradrachm, Seleukeia on the Tigris, February AD 190; AR (g 13,65; mm 25; h 1); 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, ΒΦ. 84.125.
Old cabinet tone, about extremely fine - extremely fine.