Constantine I (307/10-337) AE20 silvered follis, Cyzicus, 317-320.
IMP CONSTANTINVS AVG - laureate and draped bust left; holding globe, scepter, and mappa
Rev: IOVI CONSERVATORI AVGG - Jupiter standing left, holding Victory on a globe and scepter; wreath - A in fields, SMK in exergue.
RIC 8.
3,15 gr, 20 mm