Constantine I. AD 307/310-337. Æ Follis (22mm, 5.61 g, 6h). Cyzicus mint, 1st officina. Struck AD 312-313. Laureate head right / Genius standing left, holding patera and cornucopia, altar at feet left; A//SMK. RIC VI 101b. Nearly fully silvered. EF. Choice metal and surfaces.