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XY
Trainer · Supporter
Illustrated by Yusuke Ohmura
Professor Sycamore 114/114 Steam Siege PSA Population
Trainer · Supporter
Illustrated by Yusuke Ohmura
Professor Sycamore #114 from Steam Siege currently has 1,021 PSA graded copies, including 349 PSA 10s, for a 34.2% 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 | 1,021 | 247 | 20 |
| Pristine / Black Label % | — | 0.81% | 0% |
| Gem Rate | 34.2%-0.3% | 10.5% | 30.0% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 2 | — |
| 10 | 349 | 24 | 0 |
| 9.5 | — | 5 | 6 |
| 9 | 388+1 | 74 | 7 |
| 8.5 | 5 | 51 | 4 |
| 8 | 142 | 28 | 2 |
| 7.5 | 1 | 17 | 0 |
| 7 | 58 | 16 | 0 |
PSA total graded is the grader's reported population (1,021). The grade rows add up to 1,014.
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| 6.5 | 0 | 8 | 0 |
| 6 | 47 | 6 | 1 |
| 5.5 | 0 | 1 | 0 |
| 5 | 15 | 4 | 0 |
| 4.5 | 0 | 1 | 0 |
| 4 | 3 | 1 | 0 |
| 3.5 | 0 | 1 | 0 |
| 3 | 2 | 0 | 0 |
| 2.5 | 0 | 0 | 0 |
| 2 | 2 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 2+1 | 0 | 0 |
| 0 | — | 8 | — |
Market value
No market estimate yet.
