Gratian AE3. 378-383 AD. 

Obv: D N GRATIANVS P F AVG, pearl diademed, draped, cuirassed bust right.
Rev: VIRTVS ROMANORVM, Roma seated facing, head left, holding globe & spear
No fieldmarks.
Mintmark ANTA.

RIC IX Antioch 50b (1).

Courtesy of dirtyoldcoins.com, June 2003.