Prince Albert Service Medal for the Great Exhibition of 1851 Bronze medal presented for services rendered during the Great Exhibition of 1851. Obverse: profile bust of Prince Albert, facing left, surrounded by the words "HRH: PRINCE ALBERT PRESIDENT OF THE ROYAL COMMISSION" and below, in smaller font, the maker's name "W WYON. R A". Reverse: the words "FOR/SERVICES" surrounded by a laurel wreath and around this, the words "EXHIBITION OF THE WORKS OF INDUSTRY OF ALL NATIONS MDCCCLI". Inscribed around edge to "DR. R. HARRISON." 1851