Constantine I, Aquilea, 317 AD. AE follis

IMP CONSTANTINVS PF AVG, Laureate, draped, cuirassed bust right.
SOLI INVICTO COMITI, Sol standing left, holding globe, right
 hand raised, chlamys across left shoulder, draped over and 
flying out under left arm.

Mintmark AQP

Ref: RIC VII Aquileia 4

Courtesy of Reid Goldsborough, rg.ancients.info, Jan 2011