Constantine I, AE follis, Siscia, AD 318-319.

IMP CONSTANTINVS PF AVG, helmeted, laureate and cuirassed bust right.
VICTORIAE LAETAE PRINC PERP, Two Victories standing facing each other, holding a shield inscribed VOT PR, on an altar marked X. (Helvetica type 7u)

Mintmark Gamma SIS.

RIC VII Siscia 53.
Rated R4.

Dane's collection C1064, Feb 2017.