This coin was recently auctioned as part of a group lot and I was pleased to get it for the opening bid.
Constantine I
A.D. 317
18x19mm 3.1g
CONSTANTINVS P AVG; laureate and cuirassed bust right.
CLARITAS REIPVBLICAE, Sol rad., raising r. hand, globe in l.; stg. l., chlamys across l. shoulder; S-P across fields.
In ex. PLN
RIC VII London 102
edited for carelessness!