Steve Jobs' humor shines forth in 1983 letter to autograph seeker

Apple co-founder Steve Jobs' sense of humor was on display in this 1983 letter he wrote to a fan asking for an autograph.

"Dear M. Varon," wrote Jobs, who was 28 at the time. "I'm honored that you'd write, but I'm afraid I don't sign autographs."

At the bottom of the letter is Job's signature.