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Base
Pokémon · Basic
Illustrated by Mitsuhiro Arita
Koffing 51/102 Base Set Unlimited ©1999–2000 PSA Population
Pokémon · Basic
Illustrated by Mitsuhiro Arita
Koffing #51 from Base Set Unlimited ©1999–2000 currently has 150 PSA graded copies, including 55 PSA 10s, for a 36.7% PSA gem rate. Its PSA population has increased by 1 copy 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 | 150+1 | 101+1 | 5 |
| Pristine / Black Label % | — | 4.0%-0.04% | 0% |
| Gem Rate | 36.7%-0.2% | 18.8%-0.2% | 80.0% |
| Perfect / Black Label | — | 1 | 0 |
| Pristine | — | 4 | — |
| 10 | 55 | 14 | 0 |
| 9.5 | — | 6 | 4 |
| 9 | 62 | 34 | 1 |
| 8.5 | 0 | 14 | 0 |
| 8 | 21+1 | 14+1 | 0 |
| 7.5 | 0 | 4 | 0 |
| 7 | 5 | 2 | 0 |
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| 6.5 | 0 | 1 | 0 |
| 6 | 4 | 2 | 0 |
| 5.5 | 0 | 1 | 0 |
| 5 | 2 | 2 | 0 |
| 4.5 | 0 | 0 | 0 |
| 4 | 0 | 1 | 0 |
| 3.5 | 0 | 0 | 0 |
| 3 | 1 | 0 | 0 |
| 2.5 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 |
| 0 | — | 1 | — |
Market value
No market estimate yet.
