Diocletian (284-305). AE Antoninianus, Lugdunum mint, 290 AD. Obv. IMP DIOCLETIANVS P F AVG. Radiate, draped and cuirassed bust right. Rev. SECVRIT PERP. Securitas, draped, standing front, head right, raising right hand to head and leaning on column with left elbow, crossing legs. RIC V 81. AE. 4.31 g. 24 mm. Toned. About EF.