POKEMARKET
BETATHE POKEMON CARD TERMINAL
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Price & Volume History
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Market
Market data via eBay
Last Sale
$115
35 days ago
Price Estimate
$133
MODELED
Buy It Now
—
No active listings
Spread:—
At all-time high
Price Confidence:Modeled · Set
Sales
Sales
5 sales · May 29 2026 – Aug 10 2026
2026-08-10$115eBay
Pokemon Cards: Base Set Common: Koffing 51/102 PSA 10 #51
2026-08-06$140eBay
PSA 10 Koffing 51/102 1999 Pokemon Base Set GEM MINT Vintage WOTC 051/102
2026-07-13$128eBay
Pokemon Koffing Base Set Unlimited 51/102 PSA 10 Gem Mint 51/102
2026-05-29$125eBay
1999 POKEMON BASE SET UNLIMITED #51 KOFFING PSA 10 #51
2026-05-29$135eBay
Koffing 51/102 Base Set 1999 Unlimited Pokemon PSA 10 GEM MINT LOW POP of 54 051/102
Grading
Snapshot
Key Metrics · Grading Activity
| Percentile vs. | ||||
|---|---|---|---|---|
| Metric | Value | Set | Era | All |
| Value / CopyPSA 10 price divided by how many PSA 10 copies exist. Roughly: how much value rides on each perfect copy. | $0.3367 | 15 | 3 | 15 |
| Gem RateOf every copy PSA has ever graded, the share that came back a perfect 10. | 27.8% | 15 | 27 | 34 |
| Gem Premium (10:9)How much more a PSA 10 costs than a PSA 9 of this card. 2.5× means the perfect copy sells for 2.5 times the near-perfect one. | 3.7× | 33 | 22 | 20 |
| Vs ExpectedThis card's price vs what you'd expect for a card with its PSA 10 population in its era. 9× means the market pays nine times what rarity alone explains — collector demand. Below 1× means it's cheaper than its scarcity suggests. | 0.2× | 18 | 10 | 15 |
10396
Total: 1,426
Gem Rate: 27.8%
Cumulative Grading
All Grades
1,426 total graded · click to change view
▍ PSA
▍ Raw
▍ Other Grades
