Diocletian, 284-305. Antoninianus (Billon, 24 mm, 3.63 g, 11 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 left, holding thunderbolt in his right hand and long scepter in his left. Cohen 228. RIC 162. Struck on a broad flan and nearly fully silvered. Extremely fine.