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Pokémon · Basic
Illustrated by Mitsuhiro Arita
Koffing 51/102 Base Set Unlimited PSA Population
Pokémon · Basic
Illustrated by Mitsuhiro Arita
Koffing #51 from Base Set Unlimited currently has 1,449 PSA graded copies, including 395 PSA 10s, for a 27.3% 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 | 1,449 | 1,809+5 | 76 |
| Pristine / Black Label % | — | 1.5%-0.00% | 0% |
| Gem Rate | 27.3%-0.2% | 14.6%-0.04% | 27.6% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 27 | — |
| 10 | 395 | 238 | 0 |
| 9.5 | — | 78 | 21 |
| 9 | 623 | 391 | 48 |
| 8.5 | 4 | 334+1 | 2 |
| 8 | 240+1 | 235+3 | 1 |
| 7.5 | 0 | 165 | 1 |
| 7 | 85+2 | 87+1 | 1 |
PSA total graded is the grader's reported population (1,449). The grade rows add up to 1,445.
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| 6.5 | 0 | 81 | 1 |
| 6 | 52+2 | 58 | 1 |
| 5.5 | 0 | 35 | 0 |
| 5 | 26 | 24 | 0 |
| 4.5 | 0 | 23 | 0 |
| 4 | 11 | 20 | 0 |
| 3.5 | 0 | 1 | 0 |
| 3 | 4 | 3 | 0 |
| 2.5 | 0 | 0 | 0 |
| 2 | 3 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 2 | 0 | 0 |
| 0 | — | 9 | — |
Market value
No market estimate yet.
