Constantine I, AE3, 326-328, Thessalonica, Officina 4CONSTAN_TINVS AVGLaureate head rightPROVIDEN_TIAE AVGGCampgate with six rows, two turrets, no doors, star above, top and bottom row empty blocksPellet in right field SMTSD in exergue 19mm x 20mm, 3.58g