Constantine I, AE follis, Siscia. 

IMP CONSTANTINVS PF AVG, helmeted, laureate and cuirassed bust right.
VICTORIAE LAETAE PRINC PERP, two Victories holding shield inscribed VOT PR over altar. Altar type Helvetica 7d2 (garlanded with dot above garland, not in RIC).
Mintmark ASIS

RIC VII Siscia 53, rated R1

Submitted by George Clegg (biggyg2), Nov. 2010