Constantine I, AE3, 327, Arelatum, Officina 2CONSTAN_TINVS AVGPearl-diademed head rightVIRTV_S AVGGCampgate with five rows, four turrets, open doors with three empty panels, star above, top and bottom rows empty blocksS | F across fields ARLS in exergue 17mm x 20mm, 2.69g