Constantine I, AE3, 317-320, Cyzicus, Officina 1IMP CONSTA_NTINVS AVGLaureate, draped bust left, globe and scepter in left hand, mappa in rightIOVI CONS_ERVATORI AVGGJupiter standing facing, head left, chlamys across left shoulder, Victory on globe in right hand, scepter in leftWreath | A across fieldsSMK in exergue 17mm x 20mm, 2.47g