Be a code breaker: Enigma machines up for auction

http://www.cnet.com/news/be-a-code-breaker-enigma-machines-up-for-auction/#ftag=CAD590a51e

You can own a piece of Bletchley Park history thanks to Christie’s online auction of two Enigma machines and other rarely seen ciphers.

One of the cipher machines up for auction is the 1941 M4 Enigma, which was one of the first 4-Rotor M4 Enigmas to be manufactured by the Germans for use by their Navy. This original Enigma machine is in working condition and has a very unusual feature that includes the appearance of numbers on the top and bottom rows of keys.

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Story added 3. December 2014, content source with full text you can find at link above.