Constantine I AE Follis. Rome, 326 AD. 19 mm, 1.7 g.

No legend, rosette-diademed, draped and cuirassed bust right.
CONSTAN-TINVS-AVG and mintmark SMRS in 4 lines, wreath above

RIC VII Rome 281.
Rated rare

Contributed by Richard Demarco of Carpe Diem Numismatics, May 2019.