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Value of Mark McGwire's 70th HR ball, once worth $3M, has nosedived
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MARK MCGWIRE 70th HOME RUN COMMEMORATIVE RAWLINGS BASEBALL
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Value of Mark McGwire's 70th home run ball from historic 1998 season drops significantly
McGwire's 70th HR ball plummets in value after selling for $3M
Mark McGwire's 70th HR Ball Once Sold for $3M and Is Now Valued at $250-$400K, News, Scores, Highlights, Stats, and Rumors
Aaron Judge's 62nd home run ball will be more valuable than Albert Pujols' 700th, memorabilia expert says
The story behind Mark McGwire's 70th HR ball and how much it sold for is WILD - Article - Bardown
Mark McGwire's 70th home run ball -- once sold for over $3M -- may be worth just $250K now