Constantine I, AE3, 325-326?, Arelatum, Officina 2CONSTAN_TINVS AVGLaureate head right VIRTV_S AVGGCampgate with nine rows, four turrets, open doors with three panels, top and bottom panels with two pellets, center panel with curved door handle and pellet, star above, top and bottom row empty blocks SA pellet in crescent RL in exergue 18mm x 20mm, 2.70g