Constantine II, AE follis, Antioch, AD 317-320.

DN FL CL CONSTANTINVS NOB C, laureate, draped bust left
holding globe, sceptre and mappa.
IOVI CONS-ERVATORI CAESS, Jupiter standing left, chlamys
across left shoulder, holding Victory on globe and 
sceptre, captive at foot left.
B I in right field.
Mintmark SMANT.

RIC VII Antioch 30; Sear 17131
(this officina not in RIC).
Very rare.