At least 10 MLB Hall of Famers still reliably sign autographs on their rookie baseball cards through the mail (TTM) for $25 or less. Wade Boggs, Jim Palmer, Ryne Sandberg, and more!

Celebrity autographs are a growing industry, and behind the lucrative auction sales and eBay posts lies a community of collectors driven by money, adrenaline and admiration.

12: The most SASEs containing signed cards received on the same day. 10: In dollars, the largest donation sent to a player for an autograph, per their policy (to ex-Cub and Hall-of-Famer Ryne ...

At least 10 MLB Hall of Famers still reliably sign autographs on their rookie baseball cards through the mail (TTM) for $25 or less. Wade Boggs, Jim Palmer, Ryne Sandberg, and more!