Constantine I, AE 19, Rome, 3.02 gr.

CONSTA-NTINVS AVG, helmeted, cuirassed bust right.
SAECVLI FELICITAS, Shield inscribed AVG on a garlanded cippus.
P-R across fields.
Mintmark PT

RIC VII Rome 158

Contributed by Juergen Ulsass, Oct. 2013.