20th Century Evening Sale

Collecting guide: Picasso Ceramics

Yves Saint Laurent: the man Andy Warhol called ‘the most important French artist’

A collector’s guide to Maximalism: transforming interiors from ‘one-note’ to ‘more is more’

Collecting guide: The ‘mindscapes’ of M.C. Escher

10 things to know about Jean Dubuffet

Ben Luke

Rosa de la Cruz’s picks: Post-War and Contemporary Art

Virtual tour: 20th Century at Christie’s London

Collecting guide: American Impressionism

What to look for on the back of a painting: an expert guide