Diocletian, 286 - 305 AD AE Antoninianus, Heraclea Mint, (20mm, 4.15 g) Obverse: IMP C C VAL DIOCLETIANVS AVG, Radiate, draped and cuirassed bust of Diocletian right. Reverse: CONCORDIA MILITVM, Diocletian standing on right receiving Victory on globe from Jupiter standing on left, A in field, XXI in exergue.