Probus, AE antoninianus, Rome. 

IMP CM AVR PROBVS PF AVG, radiate bust left, wearing imperial mantle, and holding eagle-tipped sceptre.

VIRTVS AVGVSTI, Soldier standing left, holding upright spear
and resting left hand on shield.

Mintmark R Epsilon 
RIC V-2 Rome 234.

With permission of numislanz.de, Auktion 102, lot 966