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, theta in left field, Phi 
in right field.
Mintmark ANT Delta.

RIC IX Antioch 50b.

Used with permission of CNG coins, www.cngcoins.com, June, 2004.