Rene Margritte

L'idee by Rene Margritte goes on show at Sotheby's in London today as part of their Summer Sales Season and os hoped tp fetch  1.8 - 2.5 million when it is sold between now and July. The sales of work worth a total of around  100 million come from a thousand years of western art. PRESS ASSOCIATION Photo. Picture date: Friday June 7, 2013.

Stefan Rousseau/PA

L’idee by Rene Margritte goes on show at Sotheby’s in London as part of their Summer sales season. It is hoped to fetch £1.8m-£2.5m at the June 19 auction