Wayne Gretzky remains one of the most hallowed names in professional hockey, and a pricey piece of merchandise from a pivotal part of the NHL star 's career is about to hit the auction block. According to The Athletic , a so-called "Holy Grail" case containing Wayne Gretzky rookie cards will be available for bidding after its previous buyer failed to provide the payment for it earlier this year. The case of 1979 O-Pee-Chee hockey cards sold for $3.72 million and contains 16 sealed box...
