Constantine I, AE3, 327, Arelatum, Officina 2CONSTAN_TINVS AVG Laureate head rightVIRTV_S AVGGCampgate with five rows, four turrets, open doors with four panels, top three panels each with two pellets, bottom panel with one pellet, star above, top and bottom rows empty blocksS | F across fields ARLS in exergue 19mm x 21mm