Constantine I, AE follis, Arles, 

CONSTANTINVS AVG, Pearl-diademed head right.
VIRTV-S AVGG, Campgate with six layers, 4 turrets, open doors; star above

S-F across fields.
Mintmark ARLP.

RIC VII Arles 314; Sear 16309.

With permission of Zach of beastcoins.com.