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Base
Trainer
Illustrated by Ken Sugimori
Professor Oak 88/102 Base Set Unlimited PSA Population
Trainer
Illustrated by Ken Sugimori
Professor Oak #88 from Base Set Unlimited currently has 1,236 PSA graded copies, including 293 PSA 10s, for a 23.7% 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 | 1,236 | 621 | 45 |
| Pristine / Black Label % | — | 0.97% | 0% |
| Gem Rate | 23.7%-0.1% | 12.1% | 15.6% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 6 | — |
| 10 | 293 | 69 | 0 |
| 9.5 | — | 29 | 7 |
| 9 | 505+1 | 129 | 26 |
| 8.5 | 10 | 108 | 7 |
| 8 | 210+1 | 83 | 2 |
| 7.5 | 0 | 58 | 0 |
| 7 | 98 | 39 | 0 |
PSA total graded is the grader's reported population (1,236). The grade rows add up to 1,233.
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| 6.5 | 0 | 32 | 1 |
| 6 | 59+1 | 24 | 0 |
| 5.5 | 0 | 13 | 0 |
| 5 | 35 | 11 | 0 |
| 4.5 | 0 | 8 | 0 |
| 4 | 13 | 4 | 0 |
| 3.5 | 0 | 2 | 1 |
| 3 | 6 | 0 | 1 |
| 2.5 | 0 | 1 | 0 |
| 2 | 3 | 0 | 0 |
| 1.5 | 0 | 1 | 0 |
| 1 | 1 | 0 | 0 |
| 0 | — | 4 | — |
Market value
No market estimate yet.
