Constantine I, AE3, 328-329, Cyzicus, Officina 1CONSTAN_TINVS AVGPlain-diadem head right, looking upwardPROVIDEN_TIAE AVGGCampgate with seven rows, two turrets, no doors, star above, top and bottom rows empty blocksSMKA . in exergue18mm x 19mm, 2.93g