BNPS.co.uk (01202 558833)
Steve Wozniak signed the keyboard and its original box.
Humble beginnings of a billion pound business.
An incredibly rare Apple 1 computer, the 46th ever built and one of just a handful of Apple 1's in existence.
Dubbed the "world's best" Apple 1, it has been put up for sale for £500,000.
Included in the sale is a picture of the early production line in Steve Job's bedroom dating from 1976.