text: LONDON, ENGLAND - SEPTEMBER 18: Banksy's 'Show Me The Monet' (2005) to star in Sotheby's 'Modernites/Contemporary' evening auction on the 21st October with an estimate of Â£3,000,000 to Â£5,000,000 at Sotheby's on September 18, 2020 in London, England. (Photo by Michael Bowles/Getty Images for Sotheby's