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Pierre Berge at the home of Yves Saint Laurent, rue de Babylone. On the wall (from left to right): "don luis-marcia de cistue" by Goya, "the phantom" by Giorgio de Chirico, "composition in a factory", "the yellow chessboard" and "composition in profile" by Fernand Leger. Around the low table surmounted by an ivory mug and objects in enamel, a group of armchairs by rateau. The works of art collected over the past fifty years by Pierre Berge and Yves Saint Laurent will be sold at auction by Christie's beginning February 23, 2009 at the Grand Palais, in Paris. According to dealers and collectors from all over the world this will certainly be the sale of the century. Our photographer Jean Luc Luyssen has followed and will continue to follow through February 2009 the stages of this historic sale. . (Photo by Jean-Luc LUYSSEN/Gamma-Rapho via Getty Images)

Pierre Berge at the home of Yves Saint Laurent, rue de Babylone. On the wall (from left to right): "don luis-marcia de cistue" by Goya, "the phantom" by Giorgio de Chirico, "composition in a factory", "the yellow chessboard" and "composition in profile" by Fernand Leger. Around the low table surmounted by an ivory mug and objects in enamel, a group of armchairs by rateau. The works of art collected over the past fifty years by Pierre Berge and Yves Saint Laurent will be sold at auction by Christie's beginning February 23, 2009 at the Grand Palais, in Paris. According to dealers and collectors from all over the world this will certainly be the sale of the century. Our photographer Jean Luc Luyssen has followed and will continue to follow through February 2009 the stages of this historic sale. . (Photo by Jean-Luc LUYSSEN/Gamma-Rapho via Getty Images)

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PA NEWS PHOTO 18/3/98 JODI KIDD (FRONT) POSES WITH FIVE MODELS IN THE YVES SAINT LAURENT ART ROOM AT THE NATIONAL GALLERY, LONDON TO CELEBRATE ITS OPENING IN THE GALLERY'S NEWLY RESTORED WING (Photo by Neil Munns - PA Images/PA Images via Getty Images)

PA NEWS PHOTO 18/3/98 JODI KIDD (FRONT) POSES WITH FIVE MODELS IN THE YVES SAINT LAURENT ART ROOM AT THE NATIONAL GALLERY, LONDON TO CELEBRATE ITS OPENING IN THE GALLERY'S NEWLY RESTORED WING   (Photo by Neil Munns - PA Images/PA Images via Getty Images)

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French designer Yves Saint-Laurent (C) salutes the crowd with French model Laetitia Casta (L) and French actress Catherine Deneuve (R) at the Centre Georges Pompidou art gallery in Paris, where the last Haute-Couture show ever of the designer took place. Hours before unveiling his last collection, innovative designer Yves Saint-Laurent said his love affair with women was not over and hinted he had other cards up his sleeve. (Photo credit should read JEAN-PIERRE MULLER/AFP via Getty Images)

French designer Yves Saint-Laurent (C) salutes the crowd with French model Laetitia Casta (L) and French actress Catherine Deneuve (R) at the Centre Georges Pompidou art gallery in Paris, where the last Haute-Couture show ever of the designer took place. Hours before unveiling his last collection, innovative designer Yves Saint-Laurent said his love affair with women was not over and hinted he had other cards up his sleeve.        (Photo credit should read JEAN-PIERRE MULLER/AFP via Getty Images)

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Christie's auctioneer François de Ricqles (C) proceeds with the auction of a rabbit head, a Chinese imperial bronze part of a prized art collection assembled by Yves Saint Laurent and his partner Pierre Berge over half a century on February 25, 2009 at the Grand Palais in Paris. One of the world's great private collections, it takes in masterpieces by Picasso, Mondrian and Matisse, old masters, Art Deco gems, bronzes, enamels and antiques. Two looted Chinese bronzes sold for 15.7 million euros (20.3 million dollars) each to anonymous telephone bidders at the Yves Saint Laurent art sale on Wednesday, despite protests from Beijing. AFP PHOTO PATRICK KOVARIK (Photo credit should read PATRICK KOVARIK/AFP via Getty Images)

Christie's auctioneer François de Ricqles (C) proceeds with the auction of a rabbit head, a Chinese imperial bronze part of a prized art collection assembled by Yves Saint Laurent and his partner Pierre Berge over half a century on February 25, 2009 at the Grand Palais in Paris. One of the world's great private collections, it takes in masterpieces by Picasso, Mondrian and Matisse, old masters, Art Deco gems, bronzes, enamels and antiques. Two looted Chinese bronzes sold for 15.7 million euros (20.3 million dollars) each to anonymous telephone bidders at the Yves Saint Laurent art sale on Wednesday, despite protests from Beijing.             AFP PHOTO PATRICK KOVARIK (Photo credit should read PATRICK KOVARIK/AFP via Getty Images)

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A man walks past the Grand Palais, on February 20, 2009 in Paris, where a three-day exhibition is taking place showing the art collection of French fashion icon Yves Saint Laurent and his partner Pierre Berge, before it is auctioned off by Christies. Berge today said he was ready to return two valuable Chinese relics up for auction next week on condition China pledge to uphold human rights. Chinese lawyers said earlier they had filed a motion with a French court to stop auction house Christie's selling two bronze animal heads at the February 23-25 auction of the 700-work Berge/Saint Laurent collection. AFP PHOTO CYRIL FOLLIOT (Photo by CYRIL FOLLIOT / AFP) (Photo by CYRIL FOLLIOT/AFP via Getty Images)

A man walks past the Grand Palais, on February 20, 2009 in Paris, where a three-day exhibition is taking place showing the art collection of French fashion icon Yves Saint Laurent and his partner Pierre Berge, before it is auctioned off by Christies. Berge today said he was ready to return two valuable Chinese relics up for auction next week on condition China pledge to uphold human rights. Chinese lawyers said earlier they had filed a motion with a French court to stop auction house Christie's selling two bronze animal heads at the February 23-25 auction of the 700-work Berge/Saint Laurent collection.  AFP PHOTO CYRIL FOLLIOT (Photo by CYRIL FOLLIOT / AFP) (Photo by CYRIL FOLLIOT/AFP via Getty Images)