Watch List notes:

Constantine I. A.D. 307/10-337. Æ follis (19.2 mm, 2.58 g, 6 h). London mint, Struck A.D. 320-321. CONSTANTINVS AVG, helmeted and cuirassed bust right / VIRTVS EXERCIT, two captives seated between banner with VOT/XX; PLN in exergue. RIC 191. aVF.