Koffing
16%of 157 graded came back a PSA 10
How they graded
Printings
Every grade, Reverse Foil
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 1015—
PSA 95974 at 9+—
PSA 833107 at 8+—
PSA 713120 at 7+—
PSA 611131 at 6+—
PSA 52133 at 5+—
PSA 42135 at 4+—
PSA 31136 at 3+—
PSA 20136 at 2+—
PSA 10136 at 1+—
Takes
Population from PSA as of Sep 16, 2026, across every printing.
