Roman Imperial
Maximianus (286-305 AD). Kyzikos
AE Antoninianus (21.01mm 4.52g)
Obv: IMP C M A MAXIMIANVS AVG, radiate and draped bust to right
Rev: CONCORDIA MILITVM, Emperor standing to right, holding parazonium, receiving Victory on globe from Jupiter standing to left, holding sceptre; Z between, XXI