Constantine I, AE follis, Rome, AD 312-313.

IMP C CONSTANTINVS PF AVG, laureate, cuirassed bust right.
SOLI INV-I-CTO COMITI, Sol standing right, head left,
chlamys hanging from behind from his right shoulder, 
holding globe and raising right hand.

Mintmark RQ.
RIC VI Rome 332.

Contributed by Saul Roll, Jan. 2016.