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Base
Trainer
Illustrated by Ken Sugimori
Impostor Professor Oak 73/102 Base Set Unlimited PSA Population
Trainer
Illustrated by Ken Sugimori
Impostor Professor Oak #73 from Base Set Unlimited currently has 929 PSA graded copies, including 183 PSA 10s, for a 19.7% 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 | 929 | 367+1 | 24+1 |
| Pristine / Black Label % | — | 1.1%-0.00% | 0% |
| Gem Rate | 19.7%-0.02% | 8.4%-0.02% | 8.3%-0.4% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 4 | — |
| 10 | 183 | 27 | 0 |
| 9.5 | — | 10 | 2 |
| 9 | 314 | 73 | 9 |
| 8.5 | 2 | 78 | 6 |
| 8 | 195 | 42 | 3 |
| 7.5 | 0 | 35 | 1+1 |
| 7 | 102 | 18 | 1 |
PSA total graded is the grader's reported population (929). The grade rows add up to 928.
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| 6.5 | 0 | 19+1 | 0 |
| 6 | 83 | 12 | 0 |
| 5.5 | 0 | 18 | 0 |
| 5 | 26 | 9 | 0 |
| 4.5 | 0 | 3 | 1 |
| 4 | 10 | 3 | 1 |
| 3.5 | 0 | 2 | 0 |
| 3 | 7 | 0 | 0 |
| 2.5 | 0 | 1 | 0 |
| 2 | 3 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 3 | 0 | 0 |
| 0 | — | 13 | — |
Market value
No market estimate yet.
