Diocletian. AE Antoninianus. Rome. 287 AD.

Obv: IMP DIOCLETIANVS AVG, radiate, draped, cuirassed bust right
Rev: IOVI CONSERVAT AVGG, Jupiter standing left, holding Victory and sceptre; eagle at foot left
Mintmark: XXIB.

RIC V-2 165 Rome, rated common.

AAH ebay sale, 2007.