Historic July 16, 1923 Commissioner Kennesaw Mountain Landis Autographed Letter as Sent to Shoeless Joe Jackson Regarding MLB Reinstatement (PSA/DNA 9 MINT)
A deep dive into Joe Jackson baseball cards, PWCC Marketplace - PWCC Definitive Guides
Attorney selling legendary baseball cards, including a Ty Cobb
Shoeless Joe Jackson signature achieves $42,000
Shoeless Joe Jackson autographed photo from 1911 sells for $1.47 million
Rare Shoeless Joe Jackson autograph photo may bring $100,000 – The Denver Post
Rare MLB memorabilia to be auctioned at Slugger Museum - Louisville Business First
Shoeless Joe Jackson Autograph Memorabilia for Sale, Value Guide
Rare Shoeless Joe Jackson autograph photo may bring $100,000