Watch List notes:

COMMEMORATIVE MEDALS, BRITISH MEDALS, Corporation of London Medals, City of London School, New Buildings opened by the Prince and Princess of Wales, Cased Double Set of Copper Medals, 1882, by J S & A B Wyon, for the City of London Series, conjoined busts of the Prince and Princess to right, rev detailed façade of the school buildings, 77mm, in shaped fitted case of issue (BHM 3133; Eimer 1690; Welch 18; JT 202a). A choice set, virtually mint state, one tiny spot on one obverse. (2)
only 400 specimens struck

Estimate: £450-550