Koffing
28%of 1,435 graded came back a PSA 10
How they graded
PSA 10 price guide$60
Printings
- 1st Edition631PSA 10s of 2,812
- Unlimited395PSA 10s of 1,435
- Shadowless161PSA 10s of 812
- 1999-2000 Copyright54PSA 10s of 147
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 10395$60
PSA 96211,016 at 9+$35
PSA 8+4 at 8.52351,255 at 8+$25
PSA 7821,337 at 7+—
PSA 6481,385 at 6+—
PSA 5261,411 at 5+—
PSA 4111,422 at 4+—
PSA 341,426 at 3+—
PSA 231,429 at 2+—
PSA 121,431 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× moreCopies1.6× fewer$35 to $60 · 621 to 395 copies
PSA 8 to PSA 9
Costs1.4× moreCopies2.6× more$25 to $35 · 235 to 621 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.
