Very rare follis minted under Constantine I.
R4 in Roman Imperial Coinage catalogue.
Roman Imperial
Constantine I the Great (307–337), Follis 319, Trier mint
Obverse: helmeted and cuirassed bust right
CONSTANTINVS AVG
Reverse: two Victories standing facing each other, holding a shield inscribed VOT/PR supported by an altar, •PTR in exergue
VICTORIAE LAET PRIN P
Diameter 18 mm, weight 3.54 g