RareAlert IntelligenceCard-level collector intelligence
Sword & Shield
Trainer · Supporter
Illustrated by KIYOTAKA OSHIYAMA
Professor's Research (Professor Oak) 23/25 Celebrations PSA Population
Trainer · Supporter
Illustrated by KIYOTAKA OSHIYAMA
Professor's Research (Professor Oak) #23 from Celebrations currently has 974 PSA graded copies, including 77 PSA 10s, for a 7.9% 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 | 974 | 468 | 78+42 |
| Pristine / Black Label % | — | 1.5%-0.01% | 0% |
| Gem Rate | 7.9%-0.08% | 18.2%-0.1% | 12.8%-15.0% |
| Perfect / Black Label | — | 0 | 0 |
| Pristine | — | 7 | — |
| 10 | 77 | 78 | 0 |
| 9.5 | — | 30+1 | 10 |
| 9 | 403+3 | 153 | 41+20 |
| 8.5 | 1 | 121 | 20+16 |
| 8 | 344+7 | 45 | 5+4 |
| 7.5 | 0 | 13 | 1+1 |
| 7 | 110 | 3 | 1+1 |
PSA total graded is the grader's reported population (974). The grade rows add up to 973. CGC total graded is the grader's reported population (468). The grade rows add up to 466.
Show more
| 6.5 | 0 | 5 | 0 |
| 6 | 34-1 | 3 | 0 |
| 5.5 | 0 | 0 | 0 |
| 5 | 1 | 0 | 0 |
| 4.5 | 0 | 0 | 0 |
| 4 | 1 | 0 | 0 |
| 3.5 | 0 | 0 | 0 |
| 3 | 1 | 0 | 0 |
| 2.5 | 0 | 0 | 0 |
| 2 | 1 | 0 | 0 |
| 1.5 | 0 | 0 | 0 |
| 1 | 0 | 0 | 0 |
| 0 | — | 8 | — |
Market value
No market estimate yet.
