Diocletian (AD 284-305). AE follis or BI nummus (28,1 mm, 8,2 g. ). Nicomedia, ca. AD 294-295. IMP C C VAL DIOCLETIANVS P F AVG, laureate head of Diocletian right / GENIO POPV-LI ROMANI, Genius standing facing, modius on head left, nude but for chlamys over left shoulder, with patera in right hand and cornucopia in left; SMNB in exergue.