There are several reasons why a mint-rated 1979 Wayne Gretzky O-Pee-Chee rookie card sold at auction last week for $1.29 million.
HORNBY: Gretzky hockey card scores $1.29 million US
Wayne Gretzky out of Tim Hortons pack (1 in 12000) : r/hockeycards
Wayne Gretzky rookie card 1st in hockey to break $1M US milestone
Gretzky rookie card sells for record $1.29M : r/hockey
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Revisiting Wayne Gretzky's Time With the Los Angeles Kings
HORNBY: Gretzky hockey card scores $1.29 million US
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$1.29 million for a hockey card? Wayne Gretzky rookie card is
Wayne Gretzky out of Tim Hortons pack (1 in 12000) : r/hockeycards