Rocket's Secret Experiment
17%of 162 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 1025$80
PSA 96085 at 9+$40
PSA 8+1 at 8.541127 at 8+$25
PSA 79136 at 7+—
PSA 65141 at 6+—
PSA 51142 at 5+—
PSA 40142 at 4+—
PSA 30142 at 3+—
PSA 20142 at 2+—
PSA 10142 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× moreCopies2.4× fewer$40 to $80 · 60 to 25 copies
PSA 8 to PSA 9
Costs1.6× moreCopies1.5× more$25 to $40 · 41 to 60 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.
