Constantine I, AE Follis, Autumn 308-Spring 309, Group III, Class III, Lugd
Constantine I, AE Follis, Autumn 308-Spring 309, Group III, Class III, Lugdunum, Officina 1
IMP C CONSTANTINVS P F AVG
Laureate, cuirassed bust right, parallel laurel ties
MARTI PATRI PROPVGNATORI
Mars, nude, helmeted, advancing right, chlamys flying behind, spear pointing forward in right hand, shield in left
CI | H / S across fields
PLC in exergue
24mm x 27mm, 5.71g
RIC VI, -- (cf. RIC 295 for type); Bastien, --
Ex Gorny & Mosch
Note: Not listed in RIC with laureate, cuirassed bust type. #295 is the same type, but with laureate, draped bust right seen from behind.
Note from Barry Murphy: Not in Bastien either. Bastien does have one draped and cuirassed, seen from the front, also not in RIC.
Notes on explaining the field marks by Ron Bude: This coin was minted to commemorate Constantine's marriage to Fausta. CI in left field refers to "Constantine Imperator"; HS in right field refers to his father-in-law, Maximianus, "Herculius senior".