In this undated photo provided by Sotheby’s Auction House in New york, 'The Scream,' Edvard Munch is shown. The 1895 pastel on board, arguably one of the art world's most recognizable images, sold May 2, 2012 for a record $119,922,500 by Sotheby’s in New York City. Sotheby’s Auction House/AP
A Sotheby's photo shows the three panels of Francis Bacon's 'Triptych, 1976.' The painting sold in May 2008 for $86,281,000. Sotheby's/AP/File
Christie's photo shows 'Le bassin aux nymphéas,' by Claude Monet. The 1919 painting sold in June 2008 for $80,379,591. Christie's/AP/File
This photo by Sotheby's shows 'Dora Maar au Chat,' by Pablo Picasso. The 1941 painting sold in May 2006 for $95,216,000. Sotheby's/AP/File
'Portrait of Adele Bloch-Bauer II,' by Gustav Klimt. The 1912 painting sold at Christie's in November, 2006, for $87,936,000. Christie's/AP/File
'Garçon à la Pipe,' by Pablo Picasso is shown in a Sotheby's photo. The 1905 painting sold in May, 2004, for $104,168,000. Sotheby's/AP/File
US director Martin Scorsese (r.), his wife Barbara De Fina (l.) and Sophie Renoir, grand daughter of the late French director Jean Renoir, stand in front of one of Pierre-Auguste Renoir paintings 'Bal du Moulin de la Galette' in Paris, September 26, 2005. A smaller version of the painting by Renoir sold at Sotheby's for $78 million in 1990. Reuters/File
A late 19th century oil on canvas painting by artist Paul Cezanne, titled 'The Card Players,' is seen during a press preview for Cezanne's Card Players exhibit at The Metropolitan Museum of Art in New York in February of 2011. One of the paintings from this series was sold to a private collector in Qatar for a reported $250 million, the most expensive painting in the world. Shannon Stapleton/Reuters/File
This file photo provided by Christie's shows 'Nude, Green Leaves, and Bust,' by Pablo Picasso. The 1932 painting, which sold in May 2010 for $106,482,500, is on the list of eight works that have sold for $80 million or more at auction. Christie's/AP/File
In late 2011, German authorities discovered more than $1 billion worth of art believed seized by Nazis – and only announced the find Tuesday after a magazine broke the story.
Rachel Stern, Contributor /
November 5, 2013
It's one of the biggest discoveries of Nazi-seized artwork in decades: a trove of 1,400 works of art – including a previously unknown Marc Chagall painting. The collection's total value is estimated at 1 billion euros ($1.3 billion) by the magazine that broke the story.