Roman Empire Diocletian 284-305 AD. Antoninianus
4.05g 20mm; Cyzicus mint. IMP C C VAL DIOCLETIANVS P F AVG, radiate, draped and cuirassed bust right / CONCORDIA MIL-ITVM, Diocletian standing right, holding sceptre and receiving Victory on globe from Jupiter standing left, holding long sceptre; Е/XXI•. RIC V pt. 2, 306 var. (cuirass); EF, silvered.