Tracey Emin, Francis Bacon and Banksy art at London auctions

Des O'Sullivan previews exciting art sales at Christie's and Sotheby's this October 

'Early Morning, Saint-Maxime' by David Hockney.

A deeply personal painting by Tracey Emin, a 1969 Hockney, Gerhard Richter's first Colour Chart and Francis Bacon's Three Studies for a Portrait of Henrietta Moraes are among the offerings at the October London sales at Christie's and Sotheby's.

Early Morning Saint Maxime by David Hockney will highlight Christie's 20th/21st Century evening sale on October 13.