Professor's Research Reverse Foil
22%of 23 graded came back a PSA 10. A small sample, so one grade moves it.
How they graded
Printings
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 105—
PSA 91318 at 9+—
PSA 8119 at 8+—
PSA 7221 at 7+—
PSA 6223 at 6+—
PSA 5023 at 5+—
PSA 4023 at 4+—
PSA 3023 at 3+—
PSA 2023 at 2+—
PSA 1023 at 1+—
Takes
Population from PSA as of Sep 12, 2026. It counts grading submissions, not every copy that exists.
