CONSTANTINE I. 307-337 AD. Æ Follis (19mm - 3,21 g). Heraclea mint. Struck 318-20 AD. IMP CONSTA-NTINVS AVG, laureate and mantled bust left, holding mappa in right hand, globe and scepter in left / PROVIDEN-TIAE AVGG, camp-gate with no doors and three turrets; SMHE.