2015 – Sotheby’s New York sells the collection of the company’s former chairman A Alfred Taubman – approx $485m (approx £315m)
2009 – Christie’s Paris dispersal of the Yves Saint Laurent-Pierre Bergé collection – €374m (£332.8m)
1997 – The art collection of Victor and Sally Ganz sold at Christie’s New York – $206.5m (£121.9m)