Watch List notes:

Constantine I, 307/310-337. Follis (Bronze, 18 mm, 3.45 g, 10 h), Rome, 318-319. IMP CONSTA-NTINVS AVG Laureate, helmeted and cuirassed bust of Constantine I to right. Rev. SAECVLI F-ELICITAS / P - R / RT Shield inscribed AVG set on garlanded cippus. RIC 159. Extremely rare. Slightly rough, otherwise, about very fine.