File photo dated 10/10/13 of the ‘Three Studies of Lucian Freud’, by Francis Bacon, at Christie’s, in central London. The Francis Bacon painting of his friend and fellow artist Lucian Freud has become the most valuable work of art ever sold at auction – fetching almost £90 million. PRESS ASSOCIATION Photo. Issue date: Wednesday November 13, 2013. The British artist’s Three Studies of Lucian Freud sold for 142,405,000 US dollars (£89,609,283) after just six minutes of bidding in New York. The three-panelled painting created in 1969 depicts the German artist sitting on a chair from three different angles. See PA story ARTS Bacon. Photo credit should read: Dominic Lipinski/PA Wire