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Base
Trainer
Illustrated by Ken Sugimori
Professor Oak 88/102 Base Set 1st Edition PSA Population
Trainer
Illustrated by Ken Sugimori
Professor Oak #88 from Base Set 1st Edition currently has 1,368 PSA graded copies, including 156 PSA 10s, for a 11.4% 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 | 1,368 | 208 | 20 |
| Pristine / Black Label % | — | 0% | 0% |
| Gem Rate | 11.4%-0.2% | 3.4% | 20.0% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 0 | — |
| 10 | 156-3 | 7 | 0 |
| 9.5 | — | 9 | 4 |
| 9 | 613 | 42 | 8 |
| 8.5 | 13+1 | 55 | 5 |
| 8 | 319 | 35 | 2 |
| 7.5 | 1 | 15 | 0 |
| 7 | 132 | 11 | 0 |
PSA total graded is the grader's reported population (1,368). The grade rows add up to 1,365.
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| 6.5 | 0 | 8 | 0 |
| 6 | 69+1 | 12 | 0 |
| 5.5 | 0 | 5 | 0 |
| 5 | 36 | 5 | 1 |
| 4.5 | 0 | 1 | 0 |
| 4 | 16 | 0 | 0 |
| 3.5 | 0 | 0 | 0 |
| 3 | 4 | 0 | 0 |
| 2.5 | 0 | 0 | 0 |
| 2 | 3 | 0 | 0 |
| 1.5 | 0 | 1 | 0 |
| 1 | 3 | 0 | 0 |
| 0 | — | 2 | — |
Market value
No market estimate yet.
