Rare follis of Constantine I the Great
R1 in Roman Imperial Coinage catalogue.
Roman Imperial
Constantine I the Great (306–337), Follis 317-320, Cyzicus mint
Obverse: laureate draped bust left with globe, sceptre and mappa
IMP CONSTANTINVS AVG
Reverse: Jupiter standing left, holding Victory on globe and sceptre, wreath in left field, Δ in right field, SMK in exergue
IOVI CONSERVATORI AVGG
Diameter 18 mm, weight 3.94 g