Valentinian I, AE3, Siscia.

DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed 
bust right.
SECVRITAS-REIPVBLICAE, Victory advancing left, holding
 wreath and palm. 
Symbol 3 (R with curl on top) over K in left field, Q in right field.
Mintmark: gamma SISCV.

RIC IX Siscia 15a, type xxxii

With permission of cngcoins.com, 2005.