Such an item is currently up for bidding at RR Auction with an estimated value of $7,500. The current highest bid stands at $4,600, with 7 bids so far.  but considering you could spend more on a new MacBook, I expect the price to climb higher. The disc is said to contain a copy of Macintosh System Tools Version 6.0, with Jobs’ signature written on the label with a black felt pen. RR Auction notes Jobs-signed items are rare: Only the biggest Apple fans need apply. Via Business Insider