A visitor to The Affordable Art Fair looks at paintings on March 15, 2012 in London, England. 120 galleries are displaying works costing from £40 – £4000. Photography, paintings, prints and sculptures are on sale from 15–18th March 2012. (Photo by Peter Macdiarmid/Getty Images)

Pottery heads by artist Johan Thunell are displayed at The Affordable Art Fair on March 15, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)

Helen Astaire colours a butterfly at The Education Space at The Affordable Art Fair on March 15, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)

A mild steel mesh sculpture entitled “Earth Dance” by artist Nikki Taylor is displayed at The Affordable Art Fair on March 15, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)

A selection of ceramic heads by Sara Scott are displayed at the Art Dog gallery at The Affordable Art Fair on March 15, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)

A self portrait in bronze by artist John Williams is displayed in front of a a painting “Reflections Across the Lake I” by Rory J. Browne at The Affordable Art Fair on March 15, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)

A steel sculpture greets visitors to The Affordable Art Fair on March 15, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images)