Constantine, AE Follis. Cyzicus. 311-312 AD. Obv: IMP C FL VAL CONSTANTINVS PF AVG, laureate head right. Rev: VIRTVTI E-XERCITVS, Mars advancing right in military dress, holding transverse spear, shield and trophy. Left field: Gamma. Mintmark MKV. RIC VI Cyzicus 94c. This obverse is not listed in RIC but at least one other from officina Gamma is known. Contributed by Razvan Pala, Oct. 2010.