A man looks at a painting made by Pablo Picasso at the Guggenheim in Bilbao. Photo: EFE/Miguel Toña BILBAO.- The Guggenheim Museum Bilbao unveils From Private to Public: Collections at the Guggenheim , an exhibition that explores the origins of the permanent...

Henri Matisse (1869-1954) Le pot de pivoines, signed and dated 'Henri Matisse 1920' (lower right), oil on canvas, 25¾ x 21 5/8 in. (65.5 x 54.9 cm.) Painted in Nice in 1920. Estimate 2,300,000 - £2,800,000 LONDON.- The Impressionist and Modern Art Evening...