A superb rare medal in bronze of Sir Christopher Wren image by Wilson on the obverse with St Paul's Cathedral image by Wyon on the reverse. Around the rim are the words Art-Union of London and a date of 1846. Complete with paper envelope from Spink & Son Ltd. A Large medal that weighs 83.8grams and has a diameter of 57mm and a depth of 4mm it is in nice condition and a highly collectable item.