Constantine I, AE3, 327, Arelatum, Officina 1CONSTAN_TINVS AVGPearl-diademed head rightVIRTV_S AVGGCampgate with six rows, four turrets, open doors with three panels each with two pellets, star above, top and bottom rows empty blocksS | F across fieldsARLP in exergue 19mm x 20mm