Watch List notes:

Constantine I, 307-337 Follis Lugdunum circa 308-309, Æ 27mm., 5.51g. Laureate, draped and cuirassed bust r. Rev. Genius, wearing modius, standing l., holding patera in r. hand and cornucopiae in l. hand; in l. field, altar. C 215 RIC 288.

Nice light green patina, About Extremely Fine.