Watch List notes:

KINGS of PARTHIA. Mithradates I (164-132 BC). Æ Tetrachalkon (7.67 gm; 24 mm). Ekbatana mint. Diademed and bearded bust right; [monogram to left] / Nike, holding kentron and reins, driving biga right. Sellwood 12.9; Sunrise –; Shore –. Choice aVF. Extremely rare.