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Estimated market value — upgrade to Collector to unlock
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Kon Knueppel
Refractor PurpleRCTopps Chrome Youthquake · #YQ-4 · 2025
Estimated Market Value · PSA 10
EstimateCollector to unlockUpgrade
Where this card's market sits right now — modeled from its real sales and the movement of comparable markets.
PSA 10 $
$270
PSA 10 Pop
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Gem Rate
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30D Change
-53.5%
Market data as of Jul 4, 2026
Opportunity
41.8
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
$270
30D PSA10
-53.5%
90D PSA10
-54.3%
Raw Price
$123
30D Raw
0.0%
90D Raw
0.0%
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
Recent Sales
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.
