LONDON.- A rare and exceptional example of the first Apple computer the Apple 1 sold today at Christies for £133,250 / $212,267 / 156,169. The first personal computer with a fully assembled motherboard, the Apple 1 heralded the home computer revolution. Only about 200 examples are believed to have been produced, and the present example was sold at auction by a private collector complete with original box, instruction manuals and a signed letter from Steve Jobs, co-founder of Apple. The other prominent co-founder of Apple, Steve Wozniak, who designed and constructed the Apple 1, attended the auction. It was acquired by Marco Boglione, a private Italian collector. A further highlight of the sale was an Enigma machine, the cipher machine widely used by the German army in World War II, which sold for £67,250 / $107,129 / 78,817. It was underbid by an internet