Diadumenian as Caesar. Denarius; Diadumenian as Caesar; 217-218 AD, Rome, Denarius, 2.72g. RIC-102; BM-89, pl. 81.1. Obv: M OPEL ANT DIADVMENIAN CAES Bare-headed, draped, cuirassed bust r., seen from front. Rx: PRINC.IVVENTVTIS Diadumenian standing l., head r., holding standard and scepter, two further standards behind him. Ex Mark Gibbons Collection. From 2021-2024 this coin was on loan to the History Department, Murray State University, Kentucky.. MS. This lot is part of our 227th Buy or Bid Sale. You can buy at the estimate now or bid lower than our estimate. Lots that have not sold at their estimate before May 14th will be sold to the highest accepted offer at 4pm CT on May 14. Check our web site to see if the lot is still available. If you wish to buy any lot through Biddr, simply bid the estimate. We will get back to you if the item is already sold.