Constantine II. As Caesar, AD 316-337. Æ Follis (19.5mm, 3.13 g, 6h). London mint. Struck AD 320-321. Helmeted and cuirassed bust left / Globe set on altar inscribed VOT/IS/ XX in three lines; three stars above; PLON. RIC VII 237; C&T 9.03.022. Glossy dark brown surfaces with subdued silvering. EF. Rare.