Bronze follis (nummus) of Constantine I the Great, struck at the Ticinum mint. Obverse: Laureate bust of Constantine I facing right. Legend: IMP CONSTANTINVS P F AVG Reverse: Sol Invictus, radiate and nude except for a chlamys over the left shoulder, standing left, raising the right hand and holding a globe in the left. Legend: SOLI INVICTO COMITI Mintmark ST in exergue; cross in left field, star in right field. This issue is regarded as one of the earliest appearances of Christian symbolism on circulating coinage, marking a key moment in Constantine’s religious policy and imperial propaganda.