Bronze, 4.54 grams, 23.82 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 A in right field; mintmark dot SM dot TS dot in exergue. RIC VI Thessalonica 50b; cf Sear 3862. Good very fine with some original silvering still remaining. A significant coin which has been published on wildwinds.com