Koga's Koffing

Gym Challenge · #79 · 2000

40%of 589 graded came back a PSA 10

How they graded

PSA 10 price, 1st Edition$80

Every grade, 1st Edition

Copies at each grade, how many sit at that grade or higher, and PSA’s price where it lists one.

GradeCopiesPSA price

PSA 10214$80

PSA 9223437 at 9+$40

PSA 853490 at 8+$25

PSA 719509 at 7+—

PSA 65514 at 6+—

PSA 51515 at 5+—

PSA 40515 at 4+—

PSA 30515 at 3+—

PSA 20515 at 2+—

PSA 10515 at 1+—

Show all 10 gradesShow fewer grades

What the next grade costs, next to how the number of copies changes.

PSA 9 to PSA 10
Costs2.0× more
CopiesAbout the same
$40 to $80 · 223 to 214 copies
PSA 8 to PSA 9
Costs1.6× more
Copies4.2× more
$25 to $40 · 53 to 223 copies