Professor Elm's Training Method Reverse Foil
15%of 79 graded came back a PSA 10
How they graded
PSA 10 price guide$100
Printings
- Regular35PSA 10s of 89
- Reverse Foil12PSA 10s of 79
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 1012$100
PSA 92638 at 9+$60
PSA 82361 at 8+$30
PSA 7869 at 7+—
PSA 6877 at 6+—
PSA 5178 at 5+—
PSA 4179 at 4+—
PSA 3079 at 3+—
PSA 2079 at 2+—
PSA 1079 at 1+—
One grade up
What the next grade costs, next to how the number of copies changes.
PSA 9 to PSA 10
Costs1.7× moreCopies2.2× fewer$60 to $100 · 26 to 12 copies
PSA 8 to PSA 9
Costs2.0× moreCopies1.1× more$30 to $60 · 23 to 26 copies
Takes
Population from PSA as of Sep 12, 2026. It counts grading submissions, not every copy that exists. Prices are PSA’s own price guide figures as of Sep 12, 2026.
