Valentinian I. AE3, Siscia. 18 mm, 2.39 g. 

DN VALENTINI-ANVS PF AVG, pearl-diademed, draped, cuirassed bust right.
SECVRITAS-REIPVBLICAE, Victory walking left, holding wreath and palm branch.

star over K in left field. Q in right field
Mintmark ASISCE

RIC IX Siscia 15b, type xxvii (b) var (listed only for Valens).

Sold by Davissons, Ltd. auction 26, Lot 104, April 2019.