Probus, AE antoninianus. Ticinum. AD 278. 22mm. 

IMP CM AVR PROBVS AVG, radiate, cuirassed bust left, 
with aegis, holding spear.
VIRTVS AVG, Soldier or Virtus standing left, holding 
Victory and spear and resting left hand on shield at 
his side.

Mintmark QXXT.

RIC 435 var (bust type)

Courtesy of the Christophe Oliva Collection.