Gratian. AE2. 4.13g; 24mm. Siscia. 378-383 AD. 

DN GRATIA-NVS PF AVG, pearl diademed, draped, cuirassed bust right

REPARATIO-REIPVB, Emperor standing facing, head left, with right hand raising kneeling turreted woman, and holding Victory on globe. 

Mintmark ASISC dot

RIC IX Siscia 26a, mintmark type 3.

AAH on ebay, 2004