This coin is not listed in RIC, but it should come before Siscia 61. There were four examples of this type in the Bikic-Do hoard, # 198- 201. One from officina A, one from B, and two from epsilon.
Constantine I
A.D. 319
20mm 3.3g
IMP CONSTAN-TINVS AVG; high crested helmet and cuirassed bust left, spear across right shoulder.
VICTORIAE LAETAE PRINC PERP; two Victories stg., facing one another, together holding shield[wreath] inscribed VOT PR on altar.
in ex. BSIS•
RIC VII Siscia –; Bikic-Do hoard, # 199