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Jam Defender LON-E028
EN1st Ed💎 21.4% gemLabyrinth of Nightmare · #LON-E028 · 2003 · English · 1st Edition
PSA 10 $
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PSA 10 Pop
3
Gem Rate
21.4%
30D Change
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Market data as of Jun 30, 2026
Opportunity
57.5
See pricing to unlock Collector, Investor & Speculation scores
Opportunity Score
57.5
8 weighted signals
Scarcity20%
70
Demand15%
50
Value Gap15%
30
Sales Vol.10%
50
Gem Rate10%
100
Momentum10%
30
Supply10%
50
Age10%
85
Score drivers: scarcity (70) and low gem rate (100). This card has a PSA 10 population of 3 and a gem rate of 21.4%. 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
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30D Raw
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90D Raw
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Prices by Grade & Grader
No pricing data available.
Population Reports
PSA Population
14 totalPSA 10
3
PSA 9
6
PSA 8
3
PSA 7
1
PSA 6
1
PSA 5
0
PSA 4
0
PSA 3
0
PSA 2
0
PSA 1
0
Gem rate: 21.4%
Alternative Population
No BGS or CGC data yet.
PSA Full Grade Breakdown (1–10)
Total graded: 14
PSA 10 Price
PSA 9 Price
PSA 10 Population
Total Population
Opportunity Score
Active Listings
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Crimson Sentry LON-033 #LON-033
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Same Era / Generation
Cure Mermaid LON-041 #LON-041
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Cure Mermaid LON-E041 #LON-E041
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Dancing Fairy LON-038 #LON-038
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Aqua Spirit LON-068 #LON-068
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Boneheimer LON-057 #LON-057
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Curse of the Masked Beast LON-016 #LON-016
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Similar Scarcity
Cyclon Laser LON-095 #LON-095
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49
De-Fusion LON-097 #LON-097
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Amphibian Beast LON-008 #LON-008
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Pop2
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Curse of the Masked Beast LON-016 #LON-016
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Card of Safe Return LON-029 #LON-029
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Dark Necrofear LON-065 #LON-065
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Gem Rate6.3%
Opportunity
71
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.