Constantine I, AE3, 325-326, Arelatum, Officina 2CONSTAN_TINVS AVGLaureate head rightVIRTV_S AVGGCampgate with nine rows, four turrets, open doors with three panels, top panels with two pellets each, center panels with door pulls (?) and pellet, bottom panels empty, star above, top and bottom rows empty blocks SA crescent RL in exergue19mm x 20mm, 3.02g