RIC only lists workshop Γ for Constantine I
Constantine I
A.D. 306
25x28mm 9.2gm
FL VAL CONSTANTINVS NOB CAES; laureate head facing right.
SALVIS AVGG ET CAESS FEL KART; Carthago standing facing, head left in long robe, holding fruits in both hands. H in left field.
In ex. Δ
RIC VI Carthage 51c
EDIT: IT IS ACTUALLY 44a