Great Exhibition, Hyde Park, 1851, Prize Medal, a copper award by W. and L.C. Wyon, conjoined busts of Victoria and Albert left, rev. standing figures of the Continents present Industry to Britannia, 77mm (Allen HP-A020; BHM 2462). About extremely fine [certified and graded by NGC as MS 62 BN] £240-£300

The recipient is given on the slab tag as Feetham, Miller, & Sayer, but this cannot be confirmed as the edge inscription is not visible.