Gratian, AE3. Aquileia

Obv: DN GRATIA-NVS PF AVG, pearl-diademed, draped and cuirassed bust right 
Rev: GLORIA RO-MANORVM, Emperor walking right holding labarum and dragging 
  captive
Mintmark SMAQS. 

RIC IX Aquileia 11c, type xvi (a), rated scarce