Gaius Caligula, with Rhoemetalkes III, circa 38-46. Diassarion (Bronze, 24.5 mm, 11.83 g, 6 h), c. 38-41. ΓΑΙΩ ΚΑΙΣΑΡΙ ΣΕΒΑΣΤΩ Laureate head of Caligula to left. Rev. ΒΑΣΙΛΕΥΣ ΡΟΙΜΗΤΑΛΚΑΣ Diademed and draped bust of Rhoemetalkes III to left. RPC 1723. Youroukova 209. An interesting coin with two very good portraits, especially of Rhoemetalkes III. Mottled green patina. Some pitting, otherwise, good very fine.