Valentinian I, AE3, Siscia.

DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed 
bust right.
SECVRITAS-REIPVBLICAE, Victory advancing left, holding
 wreath and palm. 
R over [sym3] (an R with a curl on top) in left field, F in right field.
Mintmark: Gamma SISCS.

RIC IX Siscia 15a, type xxxv-c

With permission of cngcoins.com. Sep, 2006