Constantine, AE Follis, Rome, AD 318-319. 3.18 gr.

Obv: CONSTA-NTINVS AVG, laureate and helmeted, cuirassed
bust right.
Rev: SAECVLI FELICITAS, shield inscribed AVG on garlanded
cippus.
P-R across fields.
Mintmark RT.

RIC VII Rome 159, rated R4.

With permission of Helios Numismatik, Dec. 2011.