Diocletian Æ Silvered Antoninianus. (22mm, 4.1 g)Siscia, AD 293-295. IMP C C VAL DIOCLETIANVS P AVG, radiate and cuirassed bust right / CONCORDIA MILITVM, Diocletian standing right, holding parazonium, and receiving Victory from Jupiter standing left, holding sceptre; B between figures, XXI in exergue.