Constantine I. Follis; Constantine I; 307-337 AD, Trier, c. 307-8 AD, Reduced Follis, 7.69g. RIC-772a (C). Obv: IMP CONSTANTINVS P F AVG Bust laureate, cuirassed r., seen from front. Rx: MARTI PATRI CONSERVATORI Mars helmeted but otherwise nude, standing r. holding spear and shield, PTR in exergue, S - A across field. Ex Freeman & Sear, early 2000s.. MS