IMP CC VAL DIOCLETIANVS AVG, radiate, draped and cuirassed bust right / CONCORDIA MILITVM, Diocletian standing right, holding parazonium, receiving Victory from Jupiter standing left, holding sceptre. A in lower centre. Mintmark XXI. 21mm, 3.2 grams. Siscia mint. RIC 256; Cohen 33. SKU x3561-21788