Constantine I, AE follis, Siscia.

IMP CONSTANT-INVS AVG, cuirassed bust left, wearing high-crested
helmet, holding spear and shield.
VICTORIAE LAETAE PRINC PERP, two Victories supporting shield inscribed VOT PR over altar. Altar decoration Helvetica 7m
 (garlanded, dot in centre).
Mintmark BSIS dot.
RIC VII Siscia 61.
Rated R1.

With permission of cngcoins.com, Aug. 2013.