Constantine II, AE follis. Arles. AD 324-325. 

CONSTANTINVS IVN NOB C, laureate head right.
PROVIDEN-TIAE CAESS, campgate, six layers, two beacons,
star above, no doors.
Mintmark P star AR.

RIC VII Arles 273 var (bust type and officina).
Very rare, rated R5.

with permission of cngcoins.com, July 2015.