Valens, AE siliqua, 19 mm, 375-378, Siscia. 

DN VALEN-S PF AVG, pearl diademed, draped, cuirassed bust right.
VOT XV MVLT XX within wreath, star in badge above.

Mintmark SISCPS. 

RIC IX Siscia 19a; RSC 98+b.
Rated rare.

Contributed by Dr. Hubert Lanz, auction November 2000, 
Added July 2011.