Diadumenian, as Caesar, 217-218. Denarius (Silver, 20 mm, 3.37 g.), Rome, summer 217-early 218. M OPEL ANT DIADVMENIAN CAES Bare-headed and draped en cuirassed bust of Diadumenian to right. Rev. PRINC IVVENTVTIS Diadumenian standing front in military attire, head to right, holding signum in his right hand and long scepter in his left; to right, two signa. BMC 87. Clay Issue 2. Cohen 3. RIC 102. about extremely fine