Diocletian (284-305AD)
Billon antoninianus- 3,63 gram- 21 mm, Cyzicus mint, struck 286-293AD
obv: IMP C C VAL DIOCLETIANVS AVG, radiate, draped bust right
rev: CONCORDIA MILITVM, emperor standing right with sceptre, receiving Victory on globe from Jupiter holding sceptre, A between, XXI. in exergue
RIC 306
Kamp 119.25