Roman Empire
Diocletian 284-305 AD. AE Antoninianus (21mm, 2.86g).
Obv: IMP C C VAL DIOCLETIANVS AVG, radiate, draped bust of Diocletian right, seen from behind
Rev: IOV ET HERCV CONSER AVGG, emperor standing to right, holding parazonium and receiving Victory on globe from Jupiter standing to left, holding sceptre.