What's the lure of autographed magazine covers?

A collector from Appleton, Wisconsin sent copies of Time magazine covers for a decade in the '60s and early '70s to the people featured in them and asked for them to be autographed. According to an AP story, more than 250 people responded to Jerry Gottleib's request and his family have shared them with the Trout Museum of Art in Appleton for an exhibit called "Moments in TIME", which will be on