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Pokémon · Basic
Illustrated by Mitsuhiro Arita
Koffing 51/102 Base Set 1st Edition PSA Population
Pokémon · Basic
Illustrated by Mitsuhiro Arita
Koffing #51 from Base Set 1st Edition currently has 2,832 PSA graded copies, including 630 PSA 10s, for a 22.2% PSA gem rate.
PSA, CGC, and BGS data as of Oct 27, 2026.
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Graded population
| Grade | PSA | CGC | BGS |
|---|---|---|---|
| Total Graded | 2,832 | 535 | 43+1 |
| Pristine / Black Label % | — | 0.19% | 0% |
| Gem Rate | 22.2%-0.07% | 6.5% | 14.0%-0.3% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 1 | — |
| 10 | 630-1 | 34 | 0 |
| 9.5 | — | 18 | 6 |
| 9 | 1,107 | 135 | 14 |
| 8.5 | 14 | 113 | 7 |
| 8 | 585+2 | 80 | 7 |
| 7.5 | 0 | 59 | 4 |
| 7 | 268+2 | 24 | 1 |
PSA total graded is the grader's reported population (2,832). The grade rows add up to 2,830.
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| 6.5 | 0 | 22 | 2+1 |
| 6 | 112-1 | 14 | 0 |
| 5.5 | 0 | 14 | 0 |
| 5 | 62 | 5 | 2 |
| 4.5 | 0 | 6 | 0 |
| 4 | 24 | 2 | 0 |
| 3.5 | 0 | 0 | 0 |
| 3 | 14 | 2 | 0 |
| 2.5 | 0 | 0 | 0 |
| 2 | 6 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 8 | 0 | 0 |
| 0 | — | 6 | — |
Market value
No market estimate yet.
