Constantine I (307-337). Commemorative series. AE Follis, 331-334, Cyzicus mint, 1st officina. D/ VRBS ROMA. Helmeted and draped bust of Roma left. R/ She-wolf to left, suckling the twins Remus and Romulus; two stars above; in exergue, SMKA. RIC 90. AE. g. 2.48 mm. 18.00 RR. Enamel-like dark green patina. EF.