Diocletian Æ Antoninianus. Siscia, (20mm, 3.5 g) AD 293-295. IMP C C VAL DIOCLETIANVS AVG, radiate, draped and cuirassed bust right / CONCORDIA MILITVM, Diocletian standing right, holding parazonium, and receiving Victory from Jupiter standing left, holding sceptre; B in between figures, XXI in exergue.