As the art world descends on London for Frieze, Sotheby’s on New Bond Street is showcasing works from the upcoming Contemporary EveningContemporary Day and Italian Sales, taking place on Friday 7 October. A selection of stunning works from both sales are on display alongside David Hockney’s Woldgate Woods, 24, 25 and 26, a highlight from the New York Contemporary Evening Sale on 17 November. Hockney’s work captivated audiences as part of the Royal Academy’s blockbuster 2012 exhibition and is expected to set a record for the artist at auction. Click ahead to see this and more highlights.