Constantine I, AE3, 317, Heraclea, Officina 2IMP CONSTA_NTINVS AVGLaureate bust left, wearing imperial mantle, globe and scepter in left hand, mappa in rightPROVIDEN_TIAE AVGGCampgate with five rows, three turrets, no doors, no star above, top and bottom rows empty blocksMHTB in exergue19mm x 20mm, 2.84g