RareAlert IntelligenceCard-level collector intelligence
Gym
Brock's Onix
Gym Heroes · 1st Edition · #21
1st Edition
Pokémon · Basic
Illustrated by Benimaru Itoh
1st Edition
Pokémon · Basic
Illustrated by Benimaru Itoh
Brock's Onix #21 from Gym Heroes 1st Edition currently has 303 PSA graded copies, including 53 PSA 10s, for a 17.5% PSA gem rate. Its PSA population has increased by 2 copies over the last 10 days. Compare PSA, CGC and BGS populations by grade and track grading trends over time.
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Graded population
| Grade | PSA | CGC | BGS |
|---|---|---|---|
| Total Graded | 303+2 | 111+1 | 6 |
| Pristine / Black Label % | — | 0.90%-0.01% | 0% |
| Gem Rate | 17.5%-0.1% | 10.8%+0.8% | 16.7% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 1 | — |
| 10 | 53 | 11+1 | 0 |
| 9.5 | — | 3 | 1 |
| 9 | 140 | 37 | 5 |
| 8.5 | 0 | 35 | 0 |
| 8 | 78 | 12 | 0 |
| 7.5 | 0 | 6 | 0 |
| 7 | 22+1 | 0 | 0 |
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| 6.5 | 0 | 1 | 0 |
| 6 | 4+1 | 2 | 0 |
| 5.5 | 0 | 0 | 0 |
| 5 | 4 | 0 | 0 |
| 4.5 | 0 | 0 | 0 |
| 4 | 2 | 0 | 0 |
| 3.5 | 0 | 0 | 0 |
| 3 | 0 | 0 | 0 |
| 2.5 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 |
| 0 | — | 3 | — |
Market value
Grade-specific RareAlert market estimates will be calculated from qualified marketplace data.
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Marketplace matches
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