Watch List notes:

Constantine I. A.D. 307/10-337. Æ follis (18 mm, 3.13 g, 12 h). Ticinum, A.D. 326. Laureate head of Constantine I right / Camp-gate surmounted by two turrets; above, star; T(crescent)T. RIC 198. Brown patina, a hint of light porosity. Nearly extremely fine. 

From the Maple Leaf Collection.