Investigating Frauds in Baseball Memorabilia

Fields of Spring: Spring Training's Ultimate Guide to Stadiums, Games, Autographs, Memorabilia and Catching Baseballs: Piper, Charles E.: 9781590951927: : Books

Homeland Security busts $44 million worth of counterfeit sports goods ahead of Super Bowl LV - ABC News

Investigating Frauds in Baseball Memorabilia

Whittier College forms institute for baseball studies – Whittier Daily News

Do multiple signatures decrease the value of an sports memorabilia item? - Quora

10 Absolutely Worthless Pieces of Sports Memorabilia - TheStreet

East Coast Collector Says He Lost $300k to Man Charged in Sports Card Fraud Case

The Best Game in the World – Treasures on Trial: The Art and Science of Detecting Fakes

Cliff Panezich: A fake sports memorabilia ringleader's rise

BBB: Beware of fake sports memorabilia

MLB making genuine effort to fight counterfeiting - The Boston Globe