Watch List notes:

Constantine I. A.D. 307/10-337. Æ follis (20 mm, 3.20 g, 12 h). Cyzicus, A.D. 317-320. IMP CONSTA-NTINVS AVG, laureate bust of Constantine I left, wearing consular robes, holding globe, scepter and mappa / IOVI CONS-ERVATORI AVGG, Jupiter standing left, holding Victory on globe and scepter; (wreath)-Z//SMK. RIC 8. Fully silvered. Extremely fine. 

From the Maple Leaf Collection.