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A 1990 Bowman Mark McGwire card number 454 has a book value of about $1.00 in near/mint -mint condition. This price is for the correct card not the error card. Professionally graded cards will sell for more. Condition is important.

Common flaws with Baseball cards include: rounded edges, creases, off centered, and faded color. Any or all flaws will devalue the card significantly.

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16y ago

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