Diocletian (284-305 AD). AE Antoninianus, Siscia mint, 293-295 AD. Obv. IMP C C VAL DIOCLETIANVS AVG. Radiate, draped and cuirassed bust right. Rev. CONCORDIA MILITVM. Emperor standing right, holding sceptre and receiving Victory on globe from Jupiter, standing left, holding sceptre; between them, B; in exergue, XXI. RIC V 256; C. 33. 4.68 g. 22.00 mm. A choice example, well centred. Traces of silvering. EF.