Watch List notes:

Diadumenian, as Caesar, 217-218. Denarius (Silver, 19 mm, 3.66 g, 6 h), Rome, spring-summer 217. M OPEL ANT DIADVMENIAN CAES Bare-headed and draped bust of Diadumenian to right. Rev. PRINC IVVENTVTIS Diadumenian, as prince of the youth, standing front in military attire, head to left, holding baton in his left hand and scepter in his right; behind to right, aquila and signum. BMC 85. Clay Issue 1. Cohen 14. RIC 108. The obverse a bit weak, otherwise, very fine.