PreviewLondon Art Week
Re-discoveries, the Holy Grail of Old Master dealers: we pick out four at London Art Week
From a Van Dyck once thought to be by Rubens to William Nicholson's portrait of an actress identified only weeks ago
PreviewArt market
Spotlight on… Master Drawings New York
Exhibitions to seek out at Manhattan's annual gallery trail, which now embraces paintings and sculptures
NewsArt market
Spotlight on: London Art Week Winter
Inaugural December event brings city's Old Master dealers out from the shadows with exhibitions at more than 30 galleries