Watch List notes:

Diadumenian. Silver Denarius (3.28 g), as Caesar, AD 217-218. Rome, under Macrinus. M OPEL ANT DIADVMENIAN CAES, bare-headed, draped and cuirassed bust of Diadumenian right. Reverse: PRINCIPI IVVENTVTIS, prince standing facing, head right, holding standard and baton; two standards to right. RIC 102; BMC 84, note; RSC 3b. Extremely Fine / Very Fine.
Estimated Value $800 - 900.