Watch List notes:

Constantine II, as Caesar, 316-337. Follis (Bronze, 20 mm, 2.87 g, 7 h), struck under Constantine I, Rome, T = 3rd officina, 318-319. CONSTANTINVS IVN NOB C Laureate and draped bust of Constantine II to left, holding Victory on globe in right hand, mappa in left. Rev. SAECVLI FELICITAS / P-R/RT AVG within wreath on garlanded cippus. RIC 164 (r4). Very rare type! Rough. Good very fine.

From the Berliner collection, formed between 1970s and early 2000s.