List of most expensive sports cards - Wikipedia
The Holy Grail of baseball cards: 1952 Topps Mickey Mantle
Mantle vs. Mays, Honus vs. Ted Williams: MLB's Top of the Pack Bracket a fun challenge for collectors - Sports Collectors Digest
1952 Topps Mickey Mantle card sells for $12.6 million, shattering record - ESPN
Topps Mickey Mantle card gets police escort through streets of Denver
The Top 10 Mickey Mantle Baseball Cards Of All-Time - Cardboard Picasso
The Holy Grail of baseball cards: 1952 Topps Mickey Mantle
At Auction: 1952 Topps #311 Mickey Mantle autographed rookie card (New to Market Example)(PSA 2 GD; Auto 5).
Mickey Mantle 1952 Topps baseball card sells for $12.6 million
Topps 1952 Mickey Mantle card with 9.5 grade expected to break sports card record - Sports Collectors Digest
Holy Grail of cards -- 1952 Mickey Mantle -- goes on display
Rare Mickey Mantle card sells for record-breaking $5.2 million - CBS News
Mickey Mantle 1952 Topps card, the 'finest known example' of its kind, sells for record $12.6M
Online Auctioneer: A six-figure steal for a '52 Mantle; LaMelo Ball, Ohtani cards soar - Sports Collectors Digest