Gratian, AE follis of Rome. 17 mm, 2.24 g. AD 378-383. 

DN GRATIANVS PF AVG, pearl diademed, draped, cuirassed bust right.
VIRTVS ROMANORVM, Roma seated facing, looking left, holding globe and reversed spear. 

Mintmark SMRQ. 

RIC IX Rome 49.

With permission of Savoca Numismatik Blue Auction 7, Lot 1663, May 2018.