6 Most Valuable Mark McGwire Rookie Cards - Old Sports Cards

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Mark McGwire 1985 Topps Baseball NM to Mint Rookie Card #401 (Pictured on USA Olympic Team) Shipped in Protective Screw Down Holder! : Sports Related Collectibles : Sports & Outdoors

Topps Rookie Mark McGwire #580 Baseball Card Rare 1outof2 Only cards Error. Color off on rightside card almost looks 3D to me. Condition is Used.

Topps Rookie Mark McGwire #580 Baseball Card Rare 1outof2 Only Error

No damage. No bent corners.

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The 12 most iconic (and valuable) rookie cards from baseball's junk wax era - The Athletic

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Most Valuable Rookie Card in Every Topps Baseball Set, 1952-2020