AE Antoninianus (22mm 3.60g) Struck 276-282 A.D. Siscia

Obv: IMP C M AVR PROBVS P F AVG Radiate helmeted and cuirassed bust left holding spear and sheild

Rev: PAX AVGVSTI Pax standing left, holding branch and transverse spear V in rt field XXI in exergue

RIC Viii 711 bust g