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The only known sealed case of O-Pee-Chee Hockey wax boxes from Wayne Gretzky's rookie season sold on Thursday for a record $2.52 million at Heritage Auctions.
The sale set a record for the most expensive unopened trading cards package in auction history, according to The Athletic's Brooks Peck.
The box contains 10,752 trading cards from Gretzky's rookie season, according to Heritage. The auction house estimated that the case will contain 27 Gretzky rookie cards.
There have been 13,887 Gretzky rookie cards graded by PSA, according to CLLCT's Will Stern.