Watch List notes:

Mithradates I (171-138), Diobol, Hekatompylos, c. 171-138 BC ; AR (g 2,03; mm 13; h 12); Bust l., wearing bashlyk and torque, Rv. ΒΑΣΙΛΕΩΣ / ΑΡ - ΣΑΚΟY, king seated r., on omphalos, holding bow. Sellwood 9.6.
Extremely rare. Cabinet tone, about extremely fine.