Roman Empire.
Maximianus - AE Antoninianus. Cyzicus mint, 293 AD.
IMP C M A MAXIMIANVS AVG, radiate draped bust right /
CONCORDIA MILITVM, Maximianus standing right holding sceptre, receiving Victory on globe from Jupiter standing left, holding long sceptre, S in centre field. Mintmark XXI dot.
RIC 607. Cohen 53.