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Front
Greg Maddux
BaseUpper Deck Century Legends Epic Signatures · #GM · 1999
PSA 10 $
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PSA 10 Pop
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Gem Rate
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30D Change
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Market data as of Jun 25, 2026
Opportunity
56.0
See pricing to unlock Collector, Investor & Speculation scores
Opportunity Score
56.0
8 weighted signals
Scarcity20%
50
Demand15%
50
Value Gap15%
70
Sales Vol.10%
50
Gem Rate10%
50
Momentum10%
30
Supply10%
50
Age10%
100
Score drivers: grade price gap (70) and vintage age (100). Raw population data is not yet available for this card. Signals are mixed — no strong edge indicated at current prices.
Market
PSA10 / PSA9
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Active Listings
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PSA10 Mkt Cap
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PSA 10 Price
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30D PSA10
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90D PSA10
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Raw Price
$75
30D Raw
0.0%
90D Raw
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Prices by Grade & Grader
No pricing data available.
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
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PSA 1
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Alternative Population
No BGS or CGC data yet.
PSA Full Grade Breakdown (1–10)
No PSA population data yet
PSA 10 Price
PSA 9 Price
PSA 10 Population
Total Population
Opportunity Score
Active Listings
Similar Opportunities
Other Parallels
Same Player
Greg Maddux #715 #715
1990 · Topps Tiffany
PSA10—
Pop—
Gem Rate—
Opportunity
63
No image
Greg Maddux #56 #56
1999 · UD Choice Preview
PSA10—
Pop—
Gem Rate—
Opportunity
56
No image
Greg Maddux #1 #1
Silver
1998 · Topps Stars
PSA10—
Pop—
Gem Rate—
Opportunity
56
No image
Greg Maddux #28 #28
2001 · Pacific Private Game Used
PSA10—
Pop—
Gem Rate—
Opportunity
56
No image
Greg Maddux #31 #31
2001 · Upper Deck Ovation
PSA10—
Pop—
Gem Rate—
Opportunity
56
No image
Greg Maddux #120 #120
2000 · Topps Opening Day
PSA10—
Pop—
Gem Rate—
Opportunity
56
Same Set / Product
Harmon Killebrew #HK #HK
1999 · Upper Deck Century Legends Epic Signatures
PSA10—
Pop—
Gem Rate—
Opportunity
59
Vladimir Guerrero #VG #VG
1999 · Upper Deck Century Legends Epic Signatures
PSA10—
Pop—
Gem Rate—
Opportunity
51
Eddie Mathews #EMa #EMa
1999 · Upper Deck Century Legends Epic Signatures
PSA10—
Pop—
Gem Rate—
Opportunity
53
Bob Feller #BF #BF
1999 · Upper Deck Century Legends Epic Signatures
PSA10—
Pop—
Gem Rate—
Opportunity
61
Frank Robinson #FR #FR
1999 · Upper Deck Century Legends Epic Signatures
PSA10—
Pop—
Gem Rate—
Opportunity
59
Warren Spahn #WS #WS
1999 · Upper Deck Century Legends Epic Signatures
PSA10—
Pop—
Gem Rate—
Opportunity
59
PopHunter surfaces potentially undervalued scarcity and relative value signals. This is not financial or investment advice. Always do your own research before buying, selling, or grading cards.