Watch List notes:

HANOVER. William IV, with Adelaide. 1830-1837. Proof AV Medal (33mm, 26.25 g, 12h). Coronation. London mint. By W. Wyon, after F. Chantrey. Dated 8 September 1831. WILLIAM THE FOURTH CROWNED SEP: 8 1831, head of William right / ADELAIDE. QUEEN CONSORT. CROWNED SEP: 8 1831, diademed head of Adelaide right. BHM 1475; Eimer 1251. In NGC encapsulation 6909383-001, graded PF 62 Ultra Cameo.

From the Alexander Christopher Collection.