Record price: 1952 Topps Mickey Mantle baseball card sells for $5.2M, Trending
Rookie card - Wikipedia
Mickey Mantle baseball card shatters record, sells for $5.2 million - ESPN
Mickey Mantle baseball card sells for $5.2M, breaking all-time record for trading cards : r/mlb
Wayne Gretzky rookie card sells for US$3.75 million, smashing record
Wayne Gretzky rookie card sells for US$3.75 million, smashing record
Trading card - Wikipedia
T206 Honus Wagner baseball card sells for $6.606 million, shattering previous record - TSN.ca
The Greatest One: Gretzky rookie card sells for record-breaking price of $3.75M US