This coin just sold for 323 euros. It is not in RIC for the L2 l. bust, it should be listed after Lyons 61. It is, however, in Bastien, with one example noted-- Bastien 605
Constantine I
A.D. 316
19mm 3.5gm
CONSTANTINVS AVG; bust left, laureate, cuirassed and raising right hand.
SOLI INVIC-TO COMITI; Sol rad., raising r. hand, globe in l.; stg. l., chlamys across l. shoulder. A/S across fields.
in ex. PLG
RIC VII Lyons --; Bastien 605