Watch List notes:

Constantine II, as Caesar, 316-337. Follis (Bronze, 19 mm, 3.00 g, 11 h), struck under Constantine I, Nicomedia, Γ = 3rd officina, 325-326. CONSTANTINVS IVN NOB C Laureate, draped and cuirassed bust of Constantine II to right. Rev. PROVIDENTIAE CAESS · / MNΓ Camp gate with two turrets and no doors; above, star. RIC 127. Black patina. Very fine.

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