Valentinian II, Serrate (!) AE4 of Siscia. 

DN VALENTINIANVS IVN PF AVG, pearl diademed, draped, cuirassed bust right.
VOT V MVLT X within wreath.
Mintmark ASISC. 

RIC IX Siscia 29c, type 1; Sear 20365.
Scarce.

With permission of cngcoins.com, Dec 2015.