Lewis Collection under the hammer at Sotheby's

Des O'Sullivan previews the most valuable single-owner collection ever to be auctioned in London

Egon Schiele's 'Danaë'.

The 25 defining masterpieces of modern figurative painting from the Lewis Collection at Sotheby’s on June 24 constitute the most valuable single collection ever offered in London.

A Modigliani nude, once considered scandalous, leads an auction featuring stellar artists like Picasso, Schiele, Bacon, Klimt, Freud, Caillebotte, and Toulouse-Lautrec.