20th & 21st Century ArtAuction HighlightsChristie’s specialists talk 9 standout lots at auction this MayFrom Monet and Warhol to Basquiat and Brown, Christie’s experts unveil highlights from this May’s 20/21 sale week
20th & 21st Century ArtCollecting GuidesEverything you need to know about Abstract ExpressionismAn overview of the post-war American movement, illustrated with works offered at Christie’s
20th & 21st Century ArtArtist & MakersHow Victor Vasarely became the ‘grandfather’ of Op ArtThe Hungarian artist channelled Einstein and Heisenberg — as well as Malevich and Mondrian — to push the boundaries of geometric abstraction
20th & 21st Century ArtCollecting GuidesCollecting guide: works on paperEverything you need to know from the expert’s terminology to how to hang, with highlights from our upcoming sales