Portrait of Williamina Bowlby by Thomas Lawrence. Photo: Courtesy of Sotheby's

A large doublehandled albarello with portrait roundel and inscribed GALVZA PESTA, Italy, Siena, c.1510-30. Photo: Courtesy of Sam Fogg, London

Manuscript of Avant et après by Paul Gauguin. Photos: Courtesy of the Courtauld Gallery

Head of JYM, 1972 by Frank Auerbach. Photo: Frank Auerbach, courtesy Marlborough Gallery, London

The Artist's Mother, by Rembrandt van Rijn, seated at a table, looking right, etching, c.1631, on laid paper, 14.9cm by 13.1cm

Soleil couchant dans notre pré by Camille Pissarro. Photo: Courtesy of Nevill Keating

La Petite Vanne by Jean-Baptiste-Camille Corot. Photo: Courtesy of Sotheby's

Month of March by Paul Nash. Photo: Courtesy of Bonhams

Boy with Paintings by Sir Peter Blake. Photo: Courtesy of Pallant House Gallery