City Commemorative. Trier. 333-334 AD. 

VRBS ROMA, helmeted bust of Roma left, wearing imperial mantle
No legend, she-wolf standing left, head turned right, suckling Romulus and Remus. 
Simple palm branch and two stars  at top centre, 
mintmark TRP. 

RIC VII Trier 561.

With permission of CNG, cngcoins.com, auction 2005