Koffing Reverse Foil
27%of 41 graded came back a PSA 10. A small sample, so one grade moves it.
How they graded
PSA 10 price guide$15
Printings
- Reverse Foil11PSA 10s of 41
- Regular6PSA 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 1011$15
PSA 92233 at 9+$10
PSA 8841 at 8+$5
PSA 7041 at 7+—
PSA 6041 at 6+—
PSA 5041 at 5+—
PSA 4041 at 4+—
PSA 3041 at 3+—
PSA 2041 at 2+—
PSA 1041 at 1+—
One grade up
What the next grade costs, next to how the number of copies changes.
PSA 9 to PSA 10
Costs1.5× moreCopies2.0× fewer$10 to $15 · 22 to 11 copies
PSA 8 to PSA 9
Costs2.0× moreCopies2.8× more$5 to $10 · 8 to 22 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.
