Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (22mm, 4.88 g, 12h). Treveri (Trier) mint. Struck AD 310-313. Laureate and cuirassed bust right / Sol standing left, raising hand and holding globe; T|F//PTR. RIC VI 870. Glossy, black patina. EF.