AE3 "URBS ROMA" COMMEMORATIVE ISSUE of Nicomedia. Struck A.D.330 - 335 under Constantine I.
Obverse: VRBS ROMA. Helmeted and plumed bust of Roma facing left.
Reverse: No legend. She-wolf standing facing left, suckling Romulus and Remus; above, two stars, three pellets between them; in exergue, SMNΕ.
RIC VII : 195.