Roman Empire, Probus, Antoninian Cyzicus

OBVERSE: IMP C M AVR PROBVS P F AVG
REVERSE: VIRTVS PROBI AVG = Emperor riding on horse left, right hand raised, holding sceptre; captive at foot (Adventvs scene)
BUST TYPE: E1 = Radiate, cuirassed and helmeted bust left, holding spear and shield decorated with Virtvs scene
FIELD / EXERGUE MARKS: CM//XXI