RareAlert IntelligenceCard-level collector intelligence
E-Card
Pokémon · Basic
Illustrated by Kimiya Masago
Mewtwo 20/165 Expedition Base Set Reverse Holo PSA Population
Pokémon · Basic
Illustrated by Kimiya Masago
Mewtwo #20 from Expedition Base Set Reverse Holo currently has 764 PSA graded copies, including 51 PSA 10s, for a 6.7% PSA gem rate.
PSA, CGC, and BGS 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 | 764 | 183+2 | 53+3 |
| Pristine / Black Label % | — | 1.6%-0.02% | 0% |
| Gem Rate | 6.7%-0.04% | 8.2%-0.09% | 18.9%-1.1% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 3 | — |
| 10 | 51 | 12 | 0 |
| 9.5 | — | 6 | 10 |
| 9 | 157 | 29 | 10+1 |
| 8.5 | 5 | 20 | 10+2 |
| 8 | 182 | 23 | 8 |
| 7.5 | 0 | 19 | 0 |
| 7 | 113+2 | 17 | 3 |
PSA total graded is the grader's reported population (764). The grade rows add up to 763.
Show more
| 6.5 | 0 | 10 | 6 |
| 6 | 93 | 13 | 1 |
| 5.5 | 0 | 11+1 | 0 |
| 5 | 68+1 | 4+1 | 2 |
| 4.5 | 0 | 2 | 1 |
| 4 | 39 | 6 | 1 |
| 3.5 | 0 | 3 | 0 |
| 3 | 15 | 3 | 0 |
| 2.5 | 0 | 0 | 1 |
| 2 | 10 | 0 | 0 |
| 1.5 | 2 | 0 | 0 |
| 1 | 28 | 0 | 0 |
| 0 | — | 2 | — |
Market value
No market estimate yet.
