Constantine I AE3 Sol Invicto - Roman Constantine I the Great AD 306-337 AE3 Sol, the unconquered sun, accompanies us. Obv: IMP CONSTANTINVS P F AVG - Laureate bust right, draped and cuirassed. Rev: SOLI INV-I-CTO COMITI - Sol standing left, holding right hand high in salute and globe. Exe: R * F Rome mint: AD 314-315 = RIC VII, 27, page 299 - British Museum. 3.01 g