Jean-Rene Saillard works in Geneva for the British Fine Art Fund, an investment group devoted to buying art.

BBC: Geneva's art storage boom in uncertain times

Philip Hoffman, who used to work for Christie's and last year founded the Fine Art Fund, says that more than 80% of its purchases are made directly from owners and attract no commission.

ECONOMIST: Buttonwood

Money raised from the exhibition, which is sponsored by David Bowie's company Bowieart, goes towards the RCA Fine Art Student Award Fund, which helps support emerging student artists.

BBC: Top artists in secret postcard sale