Watch List notes:

Constantine I. A.D. 307/10-337. Æ 3 (20.5 mm, 3.26 g, 6 h). Ticinum, A.D. 320-321. CONSTANTINVS AVG, laureate and cuirassed bust right / D N CONSTANTINI MAX AVG, legend around VOT/XX; ST in exe. RIC 140; LRBC 466. aVF, blue-green patina.