Koga's Koffing
25%of 310 graded came back a PSA 10
How they graded
PSA 10 price, 1st Edition$80
Printings
Every grade, 1st Edition
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 1067$80
PSA 9154221 at 9+$40
PSA 843264 at 8+$25
PSA 74268 at 7+—
PSA 63271 at 6+—
PSA 51272 at 5+—
PSA 41273 at 4+—
PSA 31274 at 3+—
PSA 21275 at 2+—
PSA 10275 at 1+—
One grade up
What the next grade costs, next to how the number of copies changes.
PSA 9 to PSA 10
Costs2.0× moreCopies2.3× fewer$40 to $80 · 154 to 67 copies
PSA 8 to PSA 9
Costs1.6× moreCopies3.6× more$25 to $40 · 43 to 154 copies
Takes
Population from PSA as of Sep 12, 2026, across every printing. Prices are PSA’s own price guide figures as of Sep 12, 2026.
