Roman Imperial
Constantinus I the Great (306-337 AD) Ticinum
AE Follis (21.6mm, 3g)
Obv: IMP CONSTANTINVS PF AVG, laureate and cuirassed bust right.
Rev: MARTI CON-SERVATORI, Mars standing right, helmeted, and in military dress, cloak over right shoulder, holding upright spear, point downwards, left hand resting on shield. Star in left field. Mintmark ST.
RIC VII Ticinum 12.