Sotheby's, London, November 21st 2014.  Sotheby's presents one of its strongest offerings of Russian paintings, icons and artworks as the renowned fine art  auction house celebrates its 25th year in Russia. Pictured: A gallery technician  holds a silver-gilt and cloisonne enamel icon of St Nicholas the Miracleworker, expected to fetch between &pound;50,000 - 70,000 at auction.