Constantine I. 307-337 AD. AE Follis Thessalonica mint. 

IMP C CONSTANTINVS P F AVG, laureate, draped and cuirassed bust 
right
IOVI CONSERVATORI AVGG NN, Jupiter standing left, holding
Victory and sceptre, eagle at foot left.
Mintmark •TS•E•

RIC VI Thess. 61b. 

With permission of www.slaveycoins.com, March 2012.