Roman Imperial
Constantine I the Great (307–337), Follis 313-317, Nicomedia mint
Obverse: bust of the emperor right
IMP VAL CONSTANTINVS P F AVG
Reverse: Jupiter standing left, holding Victoria on the globe and spear, at his feet an eagle with a wreath in its beak, in the right field Z, SMN in exerque
IOVI CONSERVATORI
Diameter 23 mm, weight 2.96 g