Constantine II, Caesar (AD 316-337).
Follis
(AE, 21 mm, 3.23 g)
AD 317-318, Rome.

CONSTANTINVS IVN NOB C Bust of Constantine II right, laureate, draped and cuirassed. / ROMAE AETERNAE Roma seated right on shield set on ground, inscribing with her right hand shield with X/V in two lines; in left field P; in right field R; in exergue RQ.
RIC 156.
Rare. Dark patina. Very fine.