At left is the suit John Lennon wore on the cover of the The Beatles' Abbey Road album, which sold at auction for $46,000 at the Braswell Galleries in Norwalk, Conn, on Jan. 1. Matthew Vinci/The Hour/AP/File
A realistic onyx and diamond panther bracelet from the collection of the Duchess of Windsor sold for close to $7 million at Sotheby's in Moscow on Nov. 30, 2010. Mikhail Metzel/AP/File
A Sotheby's employee poses with a page depicting an American flamingo from John James Audubon's 'Birds of America,' considered the world's most expensive printed book, at Sotheby's in London on Dec. 6, 2010. The book sold for $11.5 million. Suzanne Plunkett/Reuters/File
The 1964 Aston Martin DB5 made famous in the James Bond movies 'Goldfinger' and 'Thunderball' is displayed for the first time since a total restoration at the Transport Museum in Lucerne, Switzerland, on Dec. 10, 2010. The car was purchased at an Arizona auction for $2.09 million. Romina Amato/Reuters/File
Christie's employees walk past a Darth Vader costume from the epic 'Star Wars' movie anthology on display during the 'Popular Culture: Film and Entertainment' sale at Christie's auction house in London on Nov. 25, 2010. The costume sold for $236,700. Sang Tan/AP/File
This photo provided by Sotheby's in New York shows the Culbertson Guidon from the 1876 Battle of the Little Bighorn. The swallow-tailed 7th US Cavalry flag, known as 'Custers Last Flag,' sold for $2.2 million on Dec. 10, 2010, raising $1.9 million for the Native American arts department of the Detroit Institute of Arts.
A house featured in the 1973 Woody Allen comedy 'Sleeper' is photographed on Nov. 10, 2010, in Genesee Park, Colo., after the house was foreclosed on and sold in an auction for $1.53 million. RJ Sangosti/The Denver Post/AP/File
An embroidered blue jumpsuit worn by music legend Johnny Cash during a rehearsal for a concert at California's San Quentin State Prison sold for $50,000 at Julien's Auctions in Beverly Hills, Calif. on Dec. 5, 2010. Shaan Kokin/Julien's Auctions/AP/File
A Christie's employee displays a Faberge Imperial presentation snuffbox with a miniature portrait of Czar Nicholas II in London on Nov. 26, 2010. The box was to be auctioned on Nov. 29 with an estimated price of $630,318 to $945,477. Sang Tan/AP/File
A 10 carat diamond ring belonging to Bernard Madoff is seen during a media preview of the US Marshals Service 'Madoff II Auction' in the Brooklyn, New York, on Nov. 10, 2010. More than 400 pieces of personal property, jewelry, and antiques from Madoff and his wife, Ruth, were sold at auction in New York City on Nov. 13, 2010 to compensate victims of Mr. Madoff's multibillion dollar scam. Jessica Rinaldi/Reuters/File
The global economy is entering phase of heightened vulnerability to digital disruption – a threat likened to the US mortgage crisis, which was largely hidden until its dramatic collapse in 2008, a new report warns.