Diocletian, 284-305. Antoninianus (Silvered bronze, 22-25 mm, 3.55 g, 6 h), Rome, 285-286. IMP DIOCLETIANVS AVG Radiate, draped and cuirassed bust of Diocletian to right, seen from behind. Rev. IOVI CONSERVAT AVGG / XXIA Jupiter standing front, head to left, holding thunderbolt in his right hand and long scepter in his left. Cohen 228. RIC 162. Struck on a very broad flan, resulting in some flatness near the edge, otherwise, nearly extremely fine.