Watch List notes:

Constantine I, 307/310-337. Follis (Billon, 20 mm, 3.12 g, 12 h), Constantinople, A = 1st officina, 327-328. CONSTANTI-NVS MAX AVG Diademed head of Constantine I to right. Rev. GLORIA RO-MANORVM / A/CONS Roma seated left on shield, holding Victory on globe in her extended right hand and scepter with her left. RIC 23. Dark brown patina. Scattered porosity and minor deposits, otherwise, about extremely fine.

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