AE Antoninianus, 3.34 g, 22 mm, 6h, Lugdunum mint CE 286
RIC V Diocletian 388
Similar to RCV 12669 (Diocletian with no similar listing for Maximianus)
O: IMP C VAL MAXIMIANVS PF AVG; rad, cuir draped bust r.
R: IOVI CONSERVATORI in left field D; Jupiter stg l holding fulmen in rt hand and scepter in l.
ex: Ephesus Numis.