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Gym
Pokémon · Basic
Illustrated by Ken Sugimori
Koga's Koffing 79/132 Gym Challenge 1st Edition PSA Population
Pokémon · Basic
Illustrated by Ken Sugimori
Koga's Koffing #79 from Gym Challenge 1st Edition currently has 520 PSA graded copies, including 214 PSA 10s, for a 41.2% PSA gem rate. Its PSA population has increased by 3 copies over the last 10 days.
PSA, CGC, and BGS data as of Oct 27, 2026.
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Graded population
| Grade | PSA | CGC | BGS |
|---|---|---|---|
| Total Graded | 520+3 | 272 | 10 |
| Pristine / Black Label % | — | 2.9% | 0% |
| Gem Rate | 41.2%-0.2% | 21.0% | 80.0% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 8 | — |
| 10 | 214 | 49 | 0 |
| 9.5 | — | 10 | 8 |
| 9 | 224 | 88 | 2 |
| 8.5 | 0 | 63 | 0 |
| 8 | 55+1 | 30 | 0 |
| 7.5 | 0 | 11 | 0 |
| 7 | 20+1 | 6 | 0 |
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| 6.5 | 0 | 0 | 0 |
| 6 | 6+1 | 5 | 0 |
| 5.5 | 0 | 1 | 0 |
| 5 | 1 | 1 | 0 |
| 4.5 | 0 | 0 | 0 |
| 4 | 0 | 0 | 0 |
| 3.5 | 0 | 0 | 0 |
| 3 | 0 | 0 | 0 |
| 2.5 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 |
| 0 | — | 0 | — |
Market value
No market estimate yet.
