Constantine II AE follis, Rome. AD 316-377. 19 mm, 2.85 g.

CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust right *seen from the back*.
ROMAE AETERNAE, Roma seated right, shield at her side, inscribing XV in two lines on a shield set on her knee.

P-R across fields.
Mintmark RT.

RIC VII Rome 155

With permission of Numismatik Naumann auction 104, lot 961, July 2021.