Watch List notes:

Vologases VI (208-228), Tetradrachm, Seleukeia on the Tigris, January AD 208; BI (g 11,12; mm 25; h 12); Bearded bust l., wearing double banded diadem and tiara with curved neckflap; behind, B, Rv. ΒΑΣΙΛΕΩΣ / ΒΑΣΙΛΕΩΝ / ΑΡΣΑΚΟY / OΛΑΓΑΣΟΥ / ΔΙΚΑΙΟY / ΕΠΙΦΑΝΟYΣ / ΦΙΛΕΛΛΗΝΟΣ, king enthroned l., receiving a diadem from Tyche l.; above, KΦ. Sellwood 88.2.
Cabinet tone, about extremely fine.

Ex Petrowicz (1904), lot 2511.