Watch List notes:

Constantine II. As Caesar, A.D. 317-337. Æ Follis (20.2 mm, 3.11 g, 6 h). London mint, Struck A.D. 321. CONSTANTINVS IVN N C, radiate, draped, and cuirassed bust left / BEATA TRANQILITAS, globe on altar inscribed VO/TIS/XX, 3 stars above, P-A in fields, PLON in exergue. RIC 216. EF, sharp.