#51) Lugdunum (Lyons) mint, A.D. 314-315
RIC 12
Obv: IMP CONSTANTINVS P F AVG
Rev: MARTI CON-SERVATORI - Helmeted soldier in military dress holding reverse spear, resting hand on shield
PLG in exergue; T in left field, F in right
20 mm, 3.4 g.