Diocletian, AE Follis, c.303-May 1, 305, Group I, Class IX (a), Treveri, Officina 1 IMP DIOCLETIANVS AVGLaureate, cuirassed bust right GENIO POPV_LI ROMANIGenius standing facing, towered head left, nude but for chlamys over left shoulder, patera in right hand, cornucopiae in leftS | F across fieldsPTR in exergue 27mm x 29mm, 9.98g