Diocletian. A.D. 284-305. Æ antoninianus (21mm, 4.0 g). Cyzicus, A.D. 285-293. IMP C C VAL DIOCLETIANVS P F AVG, radiate, draped and cuirassed bust of Diocletian right / IOV ET HERCV CONSER AVGG, emperor standing right, holding scepter, receiving Victory on globe from Jupiter standing left, holding scepter; (crescent)/Γ///XXI.