Constantine II, as Caesar (316-337AD)
AE silvered follis- 3,50 gram- 19 mm, Heraclea mint, struck 325/6AD
obv: CONSTANTINVS NOB C, laureate, draped and cuirassed bust right
rev: PROVIDENTIAE CAESS, Camp-gate with two turrets; star above, SMHr. in exergue
RIC 77