Watch List notes:

Commemorative Medals, Netherlands, William IV, Prince of Orange-Nassau (1711-1751), recovery from illness, silver medal, 1734, by M. Holtzhey, bust r., rev. Hygieia at altar, VOTA PRO PRINCIPIS..., 29mm (MI 512/65; vL 85); Spain, Charles III, small silver medallet for Naples, 1772, bust r., rev. legend in 7 lines, 26mm; Catalonia, the Board of Commerce, silver medal, 1844, 37mm, this very fine other two better (3)
William IV's marriage to Anne, Princess Royal of Great Britain had been postponed because of his illness. The medal shares an obverse with a marriage medal and was, for that reason, included in Medallic Illustrations