How Sports Memorabilia Exploded Into a Billion-Dollar Business – Robb Report
$500,000 For Babe Ruth's Uniform, $200,000 For Joe Dimaggio & Marilyn Monroe Baseball, $40,000 For Muhammad Ali Boxing Shorts
How Sports Memorabilia Exploded Into a Billion-Dollar Business – Robb Report
Gehrig Memorabilia, 1924 Ruth Bat Headline Heritage Auction
Press Releases
Babe Ruth's Coaching Uniform to Fetch up to $500,000 at Auction - Bloomberg
Babe Ruth - Wikipedia
Packed with History and Intrigue, 1924 Babe Ruth Home Run Bat Now at Auction
The 10 most expensive sports collectibles, Henry Herald Photo Slideshows
Sports Memorabilia from Babe Ruth & Muhammad Ali Fetches Millions at NYC Auction
Serena Williams, Derek Jeter memorabilia on auction at Sotheby's