Auction introduction: Running the gamut of the avant-garde from the late 19th century through to artists working today, the sale presents exceptional artworks by artists who dared to innovate and experiment over the course of 150 years. The auction will present work by Paul Gauguin, Marc Chagall, Pablo Picasso, Tamara de Lempicka, Lucio Fontana, Georg Baselitz, Cecily Brown, Damien Hirst and Banksy amongst many others.