An antique diamond tiara c1890 by Faberge with an estimate of GBP400-600,000 is held in front of a painting of John Lennon by Andy Warhol, at Christie's Auction Press Preview of Jewellery Collection of Princess of Italy, Impressionist and Post-war Contemp

An antique diamond tiara c1890 by Faberge with an estimate of GBP400-600,000 is held in front of a painting of John Lennon by Andy Warhol, at Christie's Auction Press Preview of Jewellery Collection of Princess of Italy, Impressionist and Post-war Contemporary Arts. The jewels from the collection of HRH Princess Maria Gabriella di Savoiawill go to auction at Christie's London post war and contemporary art evening sale in June 2007. The pieces will be exhibited from 25th until 30th June. 25 May 2007 (Photo by Felix Wong/South China Morning Post via Getty Images)