Which artist created " Benefits Supervisor Sleeping ' ?
He purchased Francis Bacon 's " Triptych 1976 " for € 61.4 million ( US$ 86.3 million ) ( a record price for a post-war work of art ) and Lucian Freud 's " Benefits Supervisor Sleeping " for € 23.9 million ( US$ 33.6 million ) ( a record price for a work by a living artist ) .