City Commemorative AE follis, Trier. 18.86 mm. 333-334 AD.  

Obverse: VRBS ROMA, bust of Roma left wearing visored and crested 
helmet and ornamental mantle.
Reverse: She-wolf standing left, suckling twins, double crescent 
on wolf's shoulder. 
Mintmark TR dot S.  

RIC VII Trier 542; Sear 16488. 

With permission of TimeLine Originals (www.time-lines.co.uk), March, 2012