Diocletian. A.D. 284-305. Æ antoninianus (21mm, 3.7 g). Cyzicus mint, Struck A.D. 295-296. IMP C C VAL DIOCLETIANVS AVG, radiate, draped and cuirassed bust right / CONCORDIA MILITVM, emperor standing right, holding parazonium, receiving Victory on globe from Jupiter standing left, holding scepter; B//XXI.