Watch List notes:

Diadumenian, as Caesar (Macrinus, 217-218), Denarius, Rome, c. AD 217; AR (g 2,52; mm 18; h 1); M OPEL ANT DIADVMENIAN CAES, draped bust r., Rv. PRINC IVVENTVTIS, Diadumenian standing l., head r., holding sceptre and standard; on r., two standards. RIC 102; C 3.
Expressive portrait, cabinet tone, good extremely fine.