Roman Imperial
Constantine I the Great (307–337), Follis 316, Rome mint
Obverse: laureate, cuirassed bust right
IMP CONSTANTINVS 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-F across the fields, BTR in exerque
SOLI INVICTO COMITI
Diameter 18 mm, weight 3.77 g