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Front
Mark McGwire
DoubleUpper Deck Textbook Excellence · #T21 · 1999
PSA 10 $
$57
PSA 10 Pop
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Gem Rate
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30D Change
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Market data as of Jun 14, 2026
Opportunity
47.8
See pricing to unlock Collector, Investor & Speculation scores
Market
PSA10 / PSA9
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Active Listings
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PSA10 Mkt Cap
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PSA 10 Price
$57
30D PSA10
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90D PSA10
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Raw Price
$9
30D Raw
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90D Raw
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Prices by Grade & Grader
Population Reports
PSA Population
PSA 10
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PSA 9
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PSA 8
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PSA 7
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PSA 6
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PSA 5
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PSA 4
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PSA 3
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PSA 2
PSA 10 Price
PSA 9 Price
PSA 10 Population
Total Population
Opportunity Score
Active Listings
Similar Opportunities
PopHunter surfaces potentially undervalued scarcity and relative value signals. This is not financial or investment advice. Always do your own research before purchasing graded cards.
