RareAlert IntelligenceCard-level collector intelligence
Diamond & Pearl
Pokémon · Stage 2
Illustrated by Kazuyuki Kano
Bastiodon 21/123 Mysterious Treasures Cosmos · Holo PSA Population
Pokémon · Stage 2
Illustrated by Kazuyuki Kano
Bastiodon #21 from Mysterious Treasures Cosmos Holo currently has 43 PSA graded copies, including 1 PSA 10, for a 2.3% PSA gem rate.
PSA data as of Oct 27, 2026.
RareAlert may earn a commission from qualifying purchases made through eBay or TCGplayer links.
Graded population
| Grade | PSA | CGC | BGS |
|---|---|---|---|
| Total Graded | 43 | 0 | 0 |
| Pristine / Black Label % | — | — | — |
| Gem Rate | 2.3%-0.06% | — | — |
| Perfect / Black Label | — | — | — |
| Pristine | — | — | — |
| 10 | 1 | — | — |
| 9 | 6 | — | — |
| 8.5 | 1 | — | — |
| 8 | 16 | — | — |
| 7.5 | 0 | — | — |
| 7 | 5 | — | — |
PSA total graded is the grader's reported population (43). The grade rows add up to 42.
Show more
| 6.5 | 0 | — | — |
| 6 | 5 | — | — |
| 5.5 | 0 | — | — |
| 5 | 3 | — | — |
| 4.5 | 0 | — | — |
| 4 | 2 | — | — |
| 3.5 | 0 | — | — |
| 3 | 1 | — | — |
| 2.5 | 0 | — | — |
| 2 | 2 | — | — |
| 1.5 | 0 | — | — |
| 1 | 0 | — | — |
Market value
No market estimate yet.
