CONSTANTINE II, as Caesar. 317-337 AD. Æ Follis (18mm, 3,9 g). Heraclea mint. Struck 318-20 AD. D N FL CL CONSTANTINVS NOB C, laureate and mantled bust left, holding mappa in right hand, globe and scepter in left / PROVIDEN-TIAE CAESS, camp-gate with no doors and three turrets; SMHE.