RIC only lists workshops B, Γ, and E for RIC 56
Constantine I
A.D. 318-19
IMP CONSTANT-INVS AVG; high crested helmet, cuir., spear across r. shoulder, shield on left arm
VICTORIAE LAETAE PRINC PERP; two Victories stg., facing one another, together holding wreath inscribed VOT PR on altar.
in ex. ΔSIS
RIC VII Siscia 56