Roman Imperial
Constantine I the Great (307–337), Follis 314, Rome mint
Obverse: emperor bust right
IMP CONSTANTINVS P F AVG
Reverse: Sol standing front, head to left, nude but for chlamys, raising his right hand in salute and holding globe in his left, R (star) T in exerque
SOLI INVICTO COMITI
Diameter 21 mm, weight 3.27 g