Constantine I, 307-337 AD. AE Follis. Siscia. 

CONSTANT-INVS AVG. Helmeted bust left, holding spear and
shield. 
VICT LAETAE PRINC PERP, two Victories holding shield 
inscribed VOT PR over altar with S on front. 

Mintmark:  Delta SIS star.

RIC VII Siscia 95
Rated R1.

Contributed by George Clegg (biggyg2), January, 2013