Constantine II, AE3, 324-325, LugdunumCONSTANTINVS IVN NOB CLaureate, cuirassed, draped bust right, seen from behindPROVIDEN_TIAE CAESSCampgate with six rows, two turrets, no doors, star above, top and bottom rows empty blocksPLG in exergue18mm x 19mm, 3.12g