Gratian Siliqua, 1.88g; 19mm, 367-375 AD. Trier. 

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

Rev: VRBS-ROMA, Roma seated left on throne, head left, holding 
globe and spear. 

Mintmark TRPS. 

RIC IX Trier 58a. Scarce.

With permission of Roma Numismatics, January, 2010