The mechatronic model features 85 points of movement. Julien's Auctions hide caption
auctions
An image shows the first page of the first printing of the final text of the U.S. Constitution. The rare document will go up for auction in December, Sotheby's announced on Tuesday. Courtesy Sotheby's hide caption
A jersey worn by Michael Jordan during the 1998 NBA championships has sold at auction for $10.1 million. Sotheby's hide caption
A jacket worn by astronaut Edwin "Buzz" Aldrin on the historic first mission to the moon's surface in 1969, was sold for nearly $2.8 million at auction. Courtesy of Sotheby's via AP hide caption
A Sotheby's New York employee demonstrates the size of a Gorgosaurus dinosaur skeleton on Tuesday in New York. Julia Nikhinson/AP hide caption
The Argentina football shirt worn by Diego Maradona in the 1986 Mexico World Cup quarterfinal soccer match between Argentina and England, is displayed for photographs at Sotheby's auction house, in London, on April 20. The shirt worn by Maradona when he scored the controversial "Hand of God" goal has sold for $9.3 million. Matt Dunham/AP hide caption
Dan Newman, left, the founder of Alaska Premier Auctions and Appraisals, and Nick Cline, a business partner, pose Friday in Anchorage with the "Americus Australis," thought to be one the largest gem-quality opals in existence. Mark Thiessen/AP hide caption
Banksy's "Love is in the Bin" (2018) is installed at Sotheby's on Sept. 3, in London. On Thursday it was auctioned for $25.4 million, a record for the artist. Tristan Fewings/Getty Images for Sotheby's hide caption
The Nobel Prize gold medal during manufacture at the Swedish Mint. Each laureate receives the medal, which has the likeness of Alfred Nobel on its face. Markus Marcetic/Courtesy of Myntverket (Swedish Mint) hide caption
'Auctions Are Everywhere': 2020 Economics Nobel Goes To 2 Americans
This undated recent photo provided by Drouot auction house shows the revolver believed to have been used by Dutch painter Vincent Van Gogh to take his own life. The revolver has been sold at auction. Stephane Briolant/AP hide caption
Workers sort NECCO Wafers at the New England Confectionery Co. in Revere, Mass. The Ohio-based Spangler Candy Company made the winning bid for NECCO, which filed for bankruptcy in early April. Scott Eisen/Bloomberg via Getty Images hide caption
Five lots of white truffles on display entice bidders in both Philadelphia and Italy. Kristen Hartke for NPR hide caption
Detroit's iconic Fisher building has an ornate interior full of marble, bronze and art deco design. Paige Pfleger/NPR hide caption
The Picasso work Women of Algiers (Version O) was sold for a record-breaking $179,365,000 Monday by Christie's auction house, making it the most expensive painting ever sold. Andrew Burton/Getty Images hide caption
Indian Prime Minister Narendra Modi wears a dark pinstriped suit with his name monogrammed in dull gold stripes Jan. 25 during a reception for U.S. President Obama in New Delhi, India. The suit was auctioned off Friday for more than 43 million rupees, or about $694,000. Saurabh Das/AP hide caption
The 1962 Nobel Prize Medal in Medicine or Physiology that James Watson won has been sold at auction. Christie's hide caption
Blaine Lotz of Edna, Kan., is this year's winner of the prestigious World Livestock Auctioneer Championship, hosted by the Livestock Marketing Association. Morgan Leigh Meisenheimer/Livestock Marketing Association hide caption
A photo provided by Sotheby's shows a page from a working draft of Bob Dylan's "Like a Rolling Stone." The draft sold for more than $2 million. AP hide caption
Norman Rockwell's The Rookie, seen here on display in 2005, sold at auction for $22.5 million Thursday. Chitose Suzuki/AP hide caption
A letter written aboard the Titanic on the day that it sank sold at auction for around $170,000 in England Saturday. Henry Aldridge & Son hide caption
Francis Bacon's 1969 triptych Three Studies of Lucian Freud. Christie's/Getty Images hide caption