1900s-1930s Hall of Famers autographs in a book
 

https://www.blowoutforums.com/showthread.php?t=1565082

Nice find over on the blowout site. Someone bought it at auction and later realized it has some HOFer autos from the early days.

Your thoughts on authenticity?

Incredible. Mordecai is so tough, and all the rest.great find and once in a lifetime.