Watch List notes:

Constantine I, 307/310-337. Follis (Bronze, 24 mm, 3.85 g, 6 h), Ticinum, 312-313. CONSTANTINVS P F AVG Laureate and cuirassed bust of Constantine I to right. Rev. MARTI CON-SERVATORI / ST Mars standing facing, holding inverted spear in his right hand and placing his left on shield set on ground. RIC 124a. Very rare with Mars looking facing. Struck from a somewhat worn reverse die and with a minor flan crack, otherwise, extremely fine.