A staff member from Sotheby’s speaks in front of the Pablo Picasso’s painting «Jeune Fille aux cheveux noirs (Dora Maar)» at the Sotheby’s selling exhibition of Impressionist and Modern Art in Hong Kong Thursday, Nov. 25, 2010. The exhibition comprise about 20 works representing many artists in Europe from the late 19th and early 20th century, including Claude Monet, Pierre-Auguste Renoir, Marc Chagall, Pablo Picasso and Edgar Degas. (AP Photo/Kin Cheung)

A staff member from Sotheby’s speaks in front of the Pablo Picasso’s painting «Jeune Fille aux cheveux noirs (Dora Maar)» at the Sotheby’s selling exhibition of Impressionist and Modern Art in Hong Kong Thursday, Nov. 25, 2010. The exhibition comprise about 20 works representing many artists in Europe from the late 19th and early 20th century, including Claude Monet, Pierre-Auguste Renoir, Marc Chagall, Pablo Picasso and Edgar Degas.   (AP Photo/Kin Cheung)

A staff member from Sotheby’s speaks in front of the Pablo Picasso’s painting «Jeune Fille aux cheveux noirs (Dora Maar)» at the Sotheby’s selling exhibition of Impressionist and Modern Art in Hong Kong Thursday, Nov. 25, 2010. The exhibition comprise about 20 works representing many artists in Europe from the late 19th and early 20th century, including Claude Monet, Pierre-Auguste Renoir, Marc Chagall, Pablo Picasso and Edgar Degas. (AP Photo/Kin Cheung)