Diocletian, 284-305. Antoninianus (Bronze, 23 mm, 4.03 g, 6 h), Rome, 290. IMP DIOCLE-TIANVS AVG Radiate, draped and cuirassed bust of Diocletian to right, seen from behind. Rev. IOVI FVLGERATORI / XXIΔ Jupiter advancing left, head to right, hurling thunderbolt with his right hand; to left, eagle standing left, head right. Cohen 289. RIC 167. Very rare. Light deposits and with minor weakness, otherwise, about extremely fine.