Diocletian, 284-305. Antoninianus (Billon, 21 mm, 4.30 g, 12 h), Lugdunum, 285-286. IMP C C VAL DIOCLETIANVS P F AVG Radiate, draped and cuirassed bust of Diocletian to right, seen from behind. Rev. IOVI CONSERVAT / B Jupiter standing front, head to left, holding thunderbolt in his right hand and long scepter in his left. Bastien 18. Cohen 215. RIC 41. Nicely silvered. Extremely fine.