Constantine I, AE3, 328, Thessalonica, Officina 3CONSTAN_TINVS AVGRosette-diademed, draped, cuirassed bust rightPROVIDEN_TIAE AVGGCampgate with seven rows, two turrets, no doors, star above, top row arches and dots in blocks, bottom row empty blocks, ramp with no stairs at baseG in right fieldSMTS in exergue19mm x 21mm, 3.21g