Very rare follis, commemorative 5th anniversary of the ruling Constantine II. R5 in the Roman Imperial Coinage catalogue.
Roman Imperial
Constantine II (337–340) - as Caesar 317–337, Follis 324-325, Sirmium mint
Obverse: laureate head right
CONSTANTINVS IVN NOB CAES
Reverse: VOT V
CAESARVM NOSTRORVM
Diameter 19 mm, weight 2.73 g