This coin is not in RIC, but it should come after Arles 185. It is in Ferrando, #412- 414, though I am not sure of the workshop on this example.
Constantine I
A.D. 319
18mm 2.4gm
IMP CON-STANTINVS AVG; high crested helmeted (bowl shaped) and cuirassed bust right.
VICTORIAE LAETAE PRINC PERP; two Victories stg., facing one another, together holding shield inscribed VOT PR on altar.
In ex. (?) star in crescent A
RIC VII Arles --; Ferrando