Watch List notes:

Parthian Kingdom. Mithradates I. 164-132 B.C. Æ tetrachalkon (21 mm, 5.85 g, 12 h). Ekbatana. Diademed bust of Mithradates I right; in left field, [monogram] / Nike, holding kentron and reins, driving galloping biga right. Sellwood 12.9; Shore -. Very rare. Green patina, edge broken (in antiquity?). Very fine.