Watch List notes:

Constantine II. As Caesar, A.D. 317-337. AE follis (20.3 mm, 3.03 g, 6 h). London mint, struck A.D. 321. CONSTANTINVS IVN N C, radiate, draped, and cuirassed bust left / BEATA TRANQVILLITAS, globe set upon altar inscribed VOT/IS/XX; three stars above; P-A in fields, PLON in exergue. RIC 216. VF.