Antoninianus AE
Diocletian (284-305) Cyzicus, 286-293, IMP C C VAL DIOCLETIANVS AVG, radiate, draped, and cuirassed bust right / CONCORDIA MILITVM, Diocletian, holding baton, standing right, receiving Victory on globe from Jupiter standing left, holding long sceptre; Γ between, XXI in exergue
23 mm, 3,19 g
RIC 256