Valentinian I, AE3, Siscia.

DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed 
bust right.
SECVRITAS-REIPVBLICAE, Victory advancing left, holding
 wreath and palm. 
D in left field.
Mintmark: star ASISC.

RIC IX Siscia 15a, type xi-a

With permission of Zach of beastcoins.com on vcoins.