Koffing
Pop 1 at its top grade
18%of 66 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 101—
PSA 91213 at 9+—
PSA 81730 at 8+—
PSA 7232 at 7+—
PSA 6234 at 6+—
PSA 5034 at 5+—
PSA 4034 at 4+—
PSA 3034 at 3+—
PSA 2034 at 2+—
PSA 1034 at 1+—
Takes
Population from PSA as of Sep 12, 2026, across every printing.
