Watch List notes:

KINGS of BOSPOROS. Mithradates III, with Queen Gepaipyros. AD 39/40-44/5. Æ 12 Units (22mm, 10.17 g, 12h). Diademed head of Mithradates right / Diademed head of Gepaipyros right; [IB (mark of value) below chin]. Frolova & Ireland §13, Type I, dies H/f; Anokhin 1433; MacDonald 312; RPC I 1911. VF, green patina, some earthen highlights.

Ex Classical Numismatic Group Electronic Auction 381 (24 August 2016), lot 172.