Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (21.5mm, 4.34 g, 6h). Ticinum mint. Struck AD 312. Laureate and cuirassed bust of Constantine right / Helmeted and cuirassed bust of Mars right. Cf. RIC VI 884 (Treveri); Bastien, Folles 2. VF, green patina, some roughness, flan flaw.