Watch List notes:

Vologases IV (147-191), Tetradrachm, Seleukeia on the Tigris, c. AD December 171 ; AR (g 10,46; 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, ΓΠΥ. Sellwood 84.42.
Lightly toned, extremely fine.

Ex Classical Numismatic Group - Triton III (30 November - 1 Dicember 1999), lot 676.