Constantine I, AE follis. Rome. AD 314.

IMP CONSTANTINVS PF AVG, laureate, draped and cuirassed bust right, seen from the back
SOLI INVICTO COMITI, Sol standing left, chlamys across 
left shoulder, holding globe and raising right hand.	

Mintmark RT.

RIC VII Rome 57; Sear 16101.

Contributed by Richard Demarco of Carpe Diem Numismatics