Watch List notes:

Artabanus III (80-90), Tetradrachm, Seleukeia on the Tigris, November AD 80; BI (g 13,73; mm 28; h 12); Diademed and bearded bust l., wearing spiral torque, Rv. ΒΑΣΙΛΕΩΣ / ΒΑΣΙΛΕΩΝ / ΑΡΤΑΒΑΝΟΥ / EYEPΓETOY / ΔΙΚΑΙΟY/ ΕΠΙΦΑΝΟYΣ / ΦΙΛΕΛΛΗΝΟΣ, king enthroned l., receiving an untied diadem from Tyche l., holding sceptre; above, BϘT. SNP 846 A (this coin); Sellwood 74.3.
Very rare. Lightly toned, about extremely fine.

Ex Classical Numismatic Group - Triton VI (14 January 2003), lot 513.