Commemorative series (Bronze, 2.20g, 18mm) struck under Constantine The Great (307-337), circa 331-334, Cyzicus
Obv: VRBS ROMA, helmeted bust of Roma left, wearing plumed helmet, and imperial mantle
Rev: She-wolf standing left, suckling the twins Romulus and Remus, O on wolf's shoulder, two stars above, mintmark SMKS.
Ref: RIC VII Cyzicus 90