Valentinian I, AE3, Siscia. 367-375 AD.

DN VALENTINI-ANVS PF AVG, pearl diademed, draped, cuirassed bust right.
GLORIA RO-MANORVM, emperor advancing right, holding labarum,
dragging captive behind him.
S in left field, star over D in right field.
Mintmark BSISC

RIC IX Siscia 14a, type xiv, rated C2

Online store of the Forum Ancient Coins, Aug, 2011