LONDON, ENGLAND - MARCH 27: An employee at Christie's auction house examines an Enigma cipher machine on March 27, 2013 in London, England. The Enigma machine is expected to fetch 60,000 GBP when it ... more 
LONDON, ENGLAND - MARCH 27: An employee at Christie's auction house examines an Enigma cipher machine on March 27, 2013 in London, England. The Enigma machine is expected to fetch 60,000 GBP when it features in Christie's 'Travel, Science and Natural History' sale, which is to be held on April 24, 2013 in London. (Photo by Oli Scarff/Getty Images) less 
1 / 4
Getty Images | Photo By Oli Scarff / Getty Images
Wed, Mar 27, 2013 8:04 AM EDT