Thunder Mountain ◇
14%of 50 graded came back a PSA 10
How they graded
PSA 10 price guide$30
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 107$30
PSA 91623 at 9+$15
PSA 82447 at 8+$5
PSA 7350 at 7+—
PSA 6050 at 6+—
PSA 5050 at 5+—
PSA 4050 at 4+—
PSA 3050 at 3+—
PSA 2050 at 2+—
PSA 1050 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$15 to $30 · 16 to 7 copies
PSA 8 to PSA 9
Costs3.0× moreCopies1.5× fewer$5 to $15 · 24 to 16 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.
