Herennius Etruscus. AR Antoninianus. 23 mm, 3.04 g. AD 249-251. Rome. 

Q HER ETR MES DECIVS NOB C, radiate and draped bust right.
PRINC IVVENTVTIS, Herennius standing left, holding standard and spear.

RIC 148b; RSC 33.

With permission of Auktionshaus H. D. Rauch aAuction 28, Lot 351, Sept 2018.