Constantine the Great bronze Follis minted 306-337 AD.
Obverse: Bust of Constantine. Legend: IMP CONSTANTINVS PF AVG
Reverse: Sol standing, holding globe. Legend: SOLI INVICTO COMITI
Custom mounted in a sterling silver bezel pendant, measuring approximately 1 1/4 inch from the top of the bail to the bottom of the bezel, 7/8 inch across.
The first Christian Emperor, his Edict of Milan brought toleration to Christians throughout the Empire. Constantine himself did not convert until his deathbed. He moved the capital of the empire from the city of Rome to Constantinople, which he founded, in 330 AD.