
Professor Oak's Research Reverse Foil
27%of 49 graded came back a PSA 10. A small sample, so one grade moves it.
How they graded
Printings
- Reverse Foil13PSA 10s of 49
- Regular3PSA 10s of 13
Every grade
Every grade
Copies at each grade, how many sit at that grade or higher, and PSA’s price where it lists one.
GradeShare of copiesCopiesPSA price
PSA 1013—
PSA 91831 at 9+—
PSA 81445 at 8+—
PSA 7247 at 7+—
PSA 6249 at 6+—
PSA 5049 at 5+—
PSA 4049 at 4+—
PSA 3049 at 3+—
PSA 2049 at 2+—
PSA 1049 at 1+—
Takes
Population from PSA as of Sep 13, 2026. It counts grading submissions, not every copy that exists.









