Constantine II, AE3, 325-326, Cyzicus, Officina 5CONSTANTINVS IVN NOB CLaureate, draped, cuirassed bust leftPROVIDEN_TIAE CAESSCampgate with seven rows, two turrets, no doors, star above, top and bottom rows empty blocksSMKE . in exergue17mm x 18mm, 3.51g