Watch List notes:

Constantine I the Great, AD 307-337. . AE Follis (18mm, 3.1g) Cyzicus, AD 327-328. CONSTANTINVS AVG, laureate head r. / PROVIDENTIAE AVGG, camp gate with two turrets, star above, pellet to left, mintmark SMKB below. Ex Münzen & Medaillen AG, Liste 517 (Jan 1989), Nr. 182. . 1+ (VF). 3,1. RIC VII 51.