Brock's Onix #21 — PSA 10
Gym Heroes · 2000
PSA 10 value
$184
PSA's estimate · +1.6% over 30 days
PSA 9
$21.66
PriceCharting, 2026-10-06
Ungraded
$8.87
PriceCharting, 2026-10-06
Value by grade
| Grade | PSA population | Value | × ungraded | Source |
|---|---|---|---|---|
| PSA 10 | — | $184 | 20.8× | PSA's estimate |
| PSA 9 | — | $21.66 | 2.4× | PriceCharting, 2026-10-06 |
| Ungraded | — | $8.87 | 1.0× | PriceCharting, 2026-10-06 |
Recent PSA 10 sales
| Date | Price |
|---|---|
| 2026-09-26 | $238 |
| 2026-03-15 | $132 |
| 2026-01-07 | $122 |
| 2025-05-23 | $90.00 |
| 2025-02-03 | $80.00 |
| 2024-09-10 | $96.12 |
| 2023-11-28 | $69.99 |
| 2022-10-09 | $45.00 |
| 2022-01-02 | $37.00 |
| 2021-11-16 | $104 |
Recorded sales of this slab grade, as last read from PriceCharting.
Is it worth grading?
Grading pays off only if the chance of a 10 is high enough to cover the fee and the risk of a 9. Set your own numbers; the prices are filled in from this page.
