Piano Nobile

Rarely seen Walter Sickert painting to go on sale in London

The British artist’s oil, depicting a bored couple, is being offered by the gallery Piano Nobile as part of a selling exhibition

Eight exhibitions to see during London's Frieze Week

From Cezanne's love of Provence at Tate Modern to cracking the Ancient Egyptian code at the British Museum

Private view: three must-see gallery shows opening in November

Conceptual videos by Teresa Margolles and the boys of the Beaux Arts Generation are among our picks of the best commercial exhibitions this month