Constantine I, AE3, 317-318, Ticinum, Officina 1IMP CONSTANTINVS P F AVGLaureate, cuirassed bust rightSOLI INVI_C_TO COMITISol, radiate, standing left, chlamys over left shoulder, right hand raised, globe in left P in left fieldPT in exergue 19mm x 20mm, 3.01g