Watch List notes:

Constantine II. As Caesar, A.D. 317-337. AE 3 (20.1 mm, 3.03 g, 6 h). London mint, struck A.D. 323-324. CONSTANTINVS IVN N C, helmeted and cuirassed bust left / BEAT TRANQLITAS, globe on altar inscribed VOT/IS/XX, three stars above; PLON in exergue. RIC 287. gVF.