One function of value is the demand for the autograph... and one is supply. The longer a player lived, the longer he had to sign. And, there's not always been a constant demand for autographs. When everyone comes back from WWII, and then the kids are born, there's a bunch of kids chasing autographs in the mid to late 50s. So if a player was still alive and up and going then, he'd have been asked for an autograph. Marquard was healthy and active for years, he signed a bunch of stuff. You might look at the death dates for those guys, and figure out who died early, who stayed with us longer...
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