Hostilian AR antoninianus, Rome, AD 249-251. 21 mm. 3.53 g.

IMP CAE C VAL HOS MES QVINTVS AVG, radiate, draped bust right.
MARTI PROPVGNATORI. Mars standing right in fighting attitude, holding spear, shield on left arm.

RIC 187 var (obv legend).

With permission of Numismatik Naumann Auction 41, Lot 865, March 2016.