Constantine I AE Follis, 4.65 grams, 23.65 mm. Thessalonica. 312 AD.

Obverse: CONSTANTINVS PF AVG, laureate head right.
Reverse: IOVI CONSE-RVATORI, Jupiter standing facing 
with head left, chlamys hanging from left shoulder, 
holding globe and sceptre; wreath in left field

officina letter Gamma in right field
mintmark dot SM dot TS dot.  

RIC VI Thessalonica 50b; cf Sear 3862.

Courtesy of TimeLine Originals (www.time-lines.co.uk), June, 2011