Diocletian. AD 284-305. Æ Antoninianus. (22 mm, 3.93 g). IMP CC VAL DIOCLETIANVS AVG Radiate, draped and cuirassed bust r. / CONCORDIA MI – LITVM Diocletian standing r., holding parazonium, and receiving Victory from Jupiter standing l., holding sceptre; in lower center field, A. In exergue, XXI•.