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 above. 

mintmark TRS.

RIC VII Trier 561.

With permission of Numismatik Naumann auction 63, Lot 977, March 2018