1952 Topps Mickey Mantle Becomes Most Expensive Sports Memorabilia at $12.6 Million
Cardboard appreciation: 1981 Topps 1980 NL Championships
Baseball - Sports Collectors Digest
1952 Mantle Baseball Card Sells for Record $12.6 Million - Antique Trader
1952 Topps Mickey Mantle #311, PSA/DNA Autograph Grade NM-MT 8.., Lot #80026
Mickey Mantle - Sports Collectors Digest
PSA in the News - PSA Blog
Mickey Mantle Topps card joins exclusive million-dollar club
Mickey Mantle jersey, 1952 card top $9 million in Heritage Summer auction - Sports Collectors Digest
Sale of 1952 Mickey Mantle for $12.6 Million Tops Most Expensive Sportscard of all time - OnFocus
The Card: Collectors, Con Men, and the True Story of History's Most Desired Baseball Card
New York Yankees - Wikipedia