Constantinus II as Caesar Nummus, struck AD 317-320 at Heraclea mint.
Obv: D N FL CL CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust left, holding mappa, globe and sceptre.
Rev: PROVIDENTIAE CAESS // MHTE, Camp Gate with three turrets.
3,50 g, 19 mm.
RIC 20