Opening of the New Coal Exchange, 1849, a copper medal by B. Wyon for the Corporation of the City of London, medallion portraits of the Queen, Prince Albert, the Prince of Wales and the Princess Royal, rev. interior of the Coal Exchange, 89mm, flan thickness 10mm (W & E 581A.2; Taylor 161c; BHM 2357; E 1435). Good extremely fine £500-£700