Charity auction

Hear them roar: Peter Doig and Ai Weiwei make tiger rugs for charity initiative

The profits of the sale will go towards tiger conservation efforts in countries including Bangladesh and China

Art marketcomment

The downside to art world altruism that no one talks about

Charity sales, while undoubtedly a positive, tend to skew valuable auction data upwards and muddy an already opaque market

Tracey Emin donates brain sculpture for Parkinson’s UK auction

An exhibition open to the public in London's Piccadilly will bring together the art from top UK artists before the works go under the hammer at Christie's