This coin is not in RIC for the bust type, it should come after RIC 24. It is in Bastien as #554. The weight was listed as 1.3g which must be an error; I will verify the weight when I get it.
Constantine I
A.D. 315
18mm 1.3g[?]
CONSTANTINVS MAX AVG COS IIII; trabeate bust left with Victory on globe in right.
SOLI INVIC-TO COMITI; Sol stg. left, raising r. hand, globe in l.; chlamys across l. shoulder; T-F across fields.
in ex. PLG
RIC VII Lyons --; Bastien 554