City Commemorative. 1.72g; 19mm. 333-334 AD. Arles. 

VRBS ROMA, helmeted and mantled bust of Roma left

no legend, she-wolf standing left, head right, suckling 
the twins Romulus and Remus

Two stars above with dot-in-wreath between them. 
Mintmark PCONST. 

Not in RIC with this fieldmark. 

RIC VII Arles 379 var; Rivera p. 10. Very rare (R4).

With permission of Roma Numismatics, November, 2009