Watch List notes:

Diadumenian, as Caesar, Denarius, Rome, AD 217; AR (g 3,47; mm 20; h 11); M OPEL ANT DIADVMENIAN CAES, bareheaded, draped and cuirassed bust r., Rv. SPES PVBLICA, Spes advancing l., holding flower and raising hem of dress. RIC 116; C 21.
Nice portrait, cabinet tone, extremely fine.