Mr. Wozniak does not profit from the sale of any of the items listed above. We thank Mr. Wozniak for his generosity in helping small businesses like www.SignedByWoz.com. All signed items on this website are guaranteed for life to be authentically signed by Mr. Wozniak. Items pictured are a general representation to show placement of signature on given item. Due to various quantity of signed items, the signature may vary ever so slightly.