Ave!
Constantine I, Mars reverse, Extremely Rare!
Æ Follis; 20mm, 2.1gm
Con/ Some roughness on the obverse, otherwise after appropriate cleaning, Good Very Fine. Just soft dirt, you know the drill!
Obv/ IMP CONSTANTINVS PF AVG;, laureate and cuirassed bust right.
Rev/ MARTI CON-SERVATORI, Mars standing facing, head right, in military dress, holding inverted spear and resting hand on shield set on ground. ST in exergue.
Ticinum Mint struck ca. 313-314 AD
Ref/ RIC Vol VII, 12 - ST in exergue = Rare 5!