Constantinus II as Caesar. Struck AD 317-320 at Heraclea mint. AE Nummus (20 mm, 2.75g.)

Obv: D N FL CL CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust left, holding mappa, globe and sceptre.

Rev: PROVIDENTIAE CAESS // MHTG, Camp Gate with three turrets.

RIC 20