Rare with this mint mark.
Roman Imperial
Constantine I the Great (307–337), Follis 313-314, Antioch Mint
Obverse: laureate head to right
IMP VAL CONSTANTINVS P F AVG
Reverse: Jupiter standing to left, leaning on sceptre and holding Victory on globe, eagle with wreath at feet to left, wreath over Z over III in right field, ANT in exergue
IOVI CONSERVATORI
Diameter 19 mm, weight 4.72 g