Constantine II AE follis of Rome. AD 317.

CONSTANTINVS IVN NOB CAES, Laureate, draped and 
cuirassed bust right, seen from the back.
CLARITA-S R-EIPVBLICAE, Sol, radiate, walking left, chlamys flying out behind, holding whip and raising right hand.

A in left field.
Mintmark RS.

RIC VII Rome 84 (but different rev. legend break); Sear 17118.
Rated R4.

Contributed by Richard Demarco of Carpe Diem Numismatics, Dec. 2022.