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Trainer · Supporter
Illustrated by Ken Sugimori
Bill's Maintenance 137/165 Expedition Base Set Reverse Holo PSA Population
Trainer · Supporter
Illustrated by Ken Sugimori
Bill's Maintenance #137 from Expedition Base Set Reverse Holo currently has 82 PSA graded copies, including 4 PSA 10s, for a 4.9% PSA gem rate. Its PSA population has increased by 1 copy over the last 10 days.
PSA, CGC, and BGS data as of Oct 27, 2026.
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Graded population
| Grade | PSA | CGC | BGS |
|---|---|---|---|
| Total Graded | 82+1 | 50 | 3 |
| Pristine / Black Label % | — | 0% | 0% |
| Gem Rate | 4.9%-0.06% | 16.0%-0.3% | 33.3% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 0 | — |
| 10 | 4 | 8 | 0 |
| 9.5 | — | 5 | 1 |
| 9 | 31 | 11 | 0 |
| 8.5 | 1 | 7 | 1 |
| 8 | 22+1 | 6 | 1 |
| 7.5 | 0 | 2 | 0 |
| 7 | 20 | 4 | 0 |
CGC total graded is the grader's reported population (50). The grade rows add up to 49.
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| 6.5 | 0 | 2 | 0 |
| 6 | 2 | 2 | 0 |
| 5.5 | 0 | 0 | 0 |
| 5 | 0 | 1 | 0 |
| 4.5 | 0 | 1 | 0 |
| 4 | 1 | 0 | 0 |
| 3.5 | 0 | 0 | 0 |
| 3 | 0 | 0 | 0 |
| 2.5 | 1 | 0 | 0 |
| 2 | 0 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 |
| 0 | — | 0 | — |
Market value
No market estimate yet.
