A new book on the history of private collectors describes how Emma Hamilton became inextricable from her husband’s often erotic collection of ancient art

Visitors can compare and contrast the Art021 and West Bund contemporary fairs in November

Auction results were stellar 12 months ago, but sense and caution meant the houses had to work hard for more sober results this time round

Six-foot study depicting River Stour is estimated to sell for between £12m and £16m

Fair's first edition, opening tomorrow, is "more focused" than its Spanish counterpart

Launch show will incorporate art highlights from November New York sales

Highlights going under the hammer in this week’s international auctions

Mallett is the latest in a number of businesses that have been forced to change their strategy to survive

New tent in the courtyard and ambitious public programme sees photography fair establish its presence in the capital

Nearly four years after New York was left half-submerged in water, legal rows over who should pay for damage to works of art rumble on

Femme Assise has been in private hands for the past 43 years

Auction specialist left her position as head of contemporary art at Sotheby’s last month

Works by Kahlo, Monet and Hepworth were high points of an otherwise average night

The internet auction houses have united to target the middle market and Millennial collectors

New blue-chip galleries are popping up around San Francisco, but it remains to be seen if the collector base can keep up

Auction exceeded expectations after disappointing results for Impressionist and Modern art on Monday

Auction house served up a ‘tight, curated and profitable’ sale after reducing reserves

Last night's Impressionist and Modern auction in New York had a 66% sell-through rate

Maurizio Cattelan’s Hitler statue breaks record, but sale overall comes in at lower end of pre-sale estimate

Unenthusiastic bidding was bolstered by heavy guarantees, but some works hit the mark