Watch List notes:

Constantine I. A.D. 307/10-337. Æ Follis (24.0 mm, 6.22 g, 12 h). Siscia mint, struck A.D. 309-310. IMP CONSTANTINVS PF AVF, laureate head right / GENIO AVGVSTI, Genius standing left, holding patera and cornucopia; crescent-Γ in fields, SIS in exergue. RIC 209. VF, black patina.