Watch List notes:

Constantine I. A.D. 307/10-337. AE follis (20.7 mm, 3.17 g, 6 h). Ticinum mint. IMP CONSTANTINVS AVG, Laureate and cuirassed bust of Constantine I right / MARTI CONSERVATORI, Cuirassed bust of Mars to right, wearing Corinthian helmet decorated with volutes and a star. RIC 881. Good VF.