Diadumenian, Caesar. AD 217-218 AD. AE As. 25 mm, 8.59 g. Rome mint.  

M OPEL ANTONINVS DIADVMENIANVS CAES, bare-headed, 
draped and cuirassed bust right. 
SPES PVBLICA, S-C across fields, Spes walking left, 
holding flower and raising hem of robe. 

RIC 220; Cohen 24.

With permission of Numismatik Naumann Auction 41, Lot 794, March 2016.