Billon Roman Follis Constantine I “The Great” (313-315 AD)

Obverse: IMP CONSTANTINVS P F AVG (Emperor Constantine Pious Felix Augustus). Laureate head of Constantine facing right.

Reverse: IOVI CON-SERVATORI (To Jupiter the Protector). Jupiter standing facing, head facing left, holding Victory on globe and sceptre; eagle with wreath in beak at feet to left. Δ in right field, SIS in exergue.

Siscia Mint.