Bronze post reform radiate, 20mm, 3.04gm, issued AD 296/297. Alexandria mint.
Obv: IMP C C VAL DIOCLETIANVS PF AVG, Radiate, draped and cuirassed bust facing right.
Rev: CONCORDIA MILITVM (ALE in ex.), Emperor standing receiving Victory on globe from Jupiter, B between.
References: see Sear 12836, RIC 460.