Watch List notes:

Diadumenian, as Caesar, 217-218. Denarius (Silver, 20.5 mm, 3.84 g, 5 h), Rome, late July 217 - end February 218. M OPEL ANT DIADVMENIAN CAES Bareheaded and draped bust of Diadumenian to right. Rev. PRINC IVVENTVTIS Diadumenian standing front, his head turned to right, holding standard with his right hand and scepter in his left; to right, two standards. BMC 87. Cohen 3. RIC 102. With an exceptional portrait of the young Caesar. Nearly extremely fine.