Roman Imperial
Diocletian (284-305), Antoninianus 293-295, Cyzicus mint
Obverse: radiate bust right
IMP C C VAL DIOCLETIANVS P F AVG
Reverse: Diocletian standing right, receiving Victory from Jupiter, Γ between, XXI in exergue
CONCORDIA MILITVM
Diameter 20 mm, weight 4.07 g