Constantine I, Ostia, AE follis, 312-313 A.D., 21-22.5 mm. 

IMP C CONSTANTINVS PF AVG, laureate, draped and cuirassed bust right
SOLI IN-VI-CTO COMITI, Sol standing facing, head left, 
chlamys flyout out behind, holding globe upwards and 
outwards and raising right hand.

Mintmark: MOSTQ

Ref: RIC VI Ostia  91 var. unlisted in RIC officina Q

Contributed by Gregory Chladek, Feb. 2010