It was one of the greatest love stories in history and now the marriage certificate that sealed the union of Napoleon and his first wife Josephine is to be sold at auction in September.
A lost Van Dyck painting spotted on a British television programme failed to find a buyer at a Tuesday auction despite estimates it would fetch 1,000 times its original price.
A spectacular blue diamond, the largest in its category, fetched a total of $23.79 million (17.35 million euros) at a Christie's auction in Geneva.
A painting by American Barnett Newman, "Black Fire I," went under the gavel for $84 million Tuesday at Christie's postwar and contemporary art auction in New York, a record price for the artist.
Juan Gris's Cubist still life "Nature Morte a la Nappe a Carreaux" ("The Checked Tablecloth") sold for £34.8 million at a London sale Tuesday, smashing the auction record for the Spanish artist.