Fake signatures an unfortunate factor when collecting sports memorabilia

The president of Pro Am Sports in Edmonton says he’d never seen anything like it in 30 years of selling autographed sports cards and other collectibles.

RR Auction: Fine Autographs and Artifacts Featuring Literature by

COA legit? : r/SportsMemorabilia

Anyone have a weird autograph experience? Got this signed around

Expert warns of fake memorabilia flooding Vegas during NFL Draft

The Journal of Antiques and Collectibles

COA legit? : r/SportsMemorabilia

What Drives the Value of Sports Memorabilia? Memorabilia Displays

Top 10 FAKED Sports Autographs - Don't Get BURNED! Watch Before

What is so special about a celebrity's autograph? - Quora