Watch List notes:

Leo I. AD 457-474. Æ (10mm, 0.85 g, 12h). Uncertain mint. Pearl-diademed, draped, and cuirassed bust right / Zenonis monogram. Cf. RIC X 681-90 and 694 (for type); cf. Morello 6a-b, d (for monogram type); cf. LRBC 2262-4 (for type). Fine, porous brown surfaces.