KINGS OF COMMAGENE. Mithradates II, circa 34-20 BC. Oktachalkon (Bronze, 25 mm, 10.55 g, 2 h), struck in the name of Antiochos I Theos and Mithradates II, Samosata. [BA MΕΓ ANTIOXOY] Draped bust of Antiochos I to right, wearing five-pointed tiara tied with a diadem; before, uncertain countermark.
Rev. [BA MΕΓA MIΘPAΔ - MIΘPAΔ] Zebu bull butting right. Alram 247 corr. (die break described as 'spear'). Bedoukian, Commagene, -. Kovacs 229 corr. (die break described as 'spear'). RPC I -. G. Staab: Ehrung und Königsdesignation Mithradates' II. von Kommagene durch seinen Vater Antiochos I. auf dem Nemrud Dağı, in: Epigraphika Anatolica 44 (2011), p. 63-66 corr. (die break described as 'spear'). Extremely rare. Fine.
For a discussion of this important issue, see
Leu 2, 11 May 2018, 149.