Constantine I, AE Follis, Aquileia, 312-313 AD. 

CONSTANTINVS PF AVG, laureate, cuirassed bust right.

SOLI INVI-CTO COMITI, Sol standing facing, looking left, 
chlamys hanging behind from left shoulder, holding globe and 
raising right hand, captive seated left, bare-headed with
diadem or wearing low helmet, looking right and right hand
outstretched.
Mintmark: AQP

RIC VI Aquileia 144 type - this type of captive not in RIC
for this series.
Scarce

With permission of Numismatik Lanz, auction 97, lot 990.