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

IMP CONSTANTINVS AVG, laureate, mantled bust left holding mappa and sceptre.
IOVI CONSERVATORI AVGG, Jupiter standing left, holding Victory on globe and sceptre, bound captive at foot left.

Officina letter E in right field. 
Mintmark SMANT.

RIC VII Antioch 26 var (officina letter)

Contributed by Balazs Aldor, September, 2005.