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Sotheby's London summer auction preview with works estimated at £100 million.
L'idee by Rene Magritte at Sotheby's.jpg
London,UK - 7 June 2013: A Sotheby's employee named Pietro holds ?L'idee? by Rene Magritte (Est. 1.8 - 2.5million) during the preview of this summer auction at Sotheby's estimated at £100 million.