Great Exhibition, Hyde Park, 1851, Exhibitor's Medals (4), copper awards by W. Wyon, bust of Prince Albert left, rev. globe within wreath, edges named (United Kingdom, Class 6, No 244; Class 8, No 69; Class 9, No 123; Class 16, No 137), all 44mm (Allen HP-A055; BHM 2463; E 1459) [4]. Varied state £100-£150