Watch List notes:

Constantine II. As Caesar, A.D. 317-337. AE 3 (18.84 mm, 3.71 g, 5 h). Heraclea, A.D. 317. DN FL CL CONSTANTINVS NOB C, laureate and draped consular bust left, holding scepter and mappa / PROVIDENTIAE CAESS, campgate with three turrets above; MHTЄ in exergue. RIC 20. Good VF, silvered.