Constantine I, AE follis, Arles. 18 mm, 3.4 g. 

IMP CONSTANTINVS PF AVG, laureate and cuirassed bust right.
SOLI INVICTO COMITI, Sol standing right, looking left, chlamys across left shoulder, holding globe and raising right hand.

M-F across fields.
Mintmark ARLB.

RIC VII Arles 103 ADD (unlisted officina).

ebay sale June 2017.