9.43g, 26mm in diameter
Alexandria mint
Some speckling of silvering on the obverse.
Obv: Bust of Constantius I right " FLAV L CONSTANTIVS NOB CAES"
Rev: "GENIO POPVLI ROMANI" "ALE" in exergue. Genius of the roman people standing left holding a patera and cornucopiae. "XX" in left field " D I " in right field
RIC31a