Professor's Research (Professor Magnolia)
61%of 707 graded came back a PSA 10
How they graded
PSA 10 price guide$40
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 10433$40
PSA 9221654 at 9+$30
PSA 841695 at 8+$15
PSA 74699 at 7+—
PSA 62701 at 6+—
PSA 52703 at 5+—
PSA 44707 at 4+—
PSA 30707 at 3+—
PSA 20707 at 2+—
PSA 10707 at 1+—
One grade up
What the next grade costs, next to how the number of copies changes.
PSA 9 to PSA 10
Costs1.3× moreCopies2.0× more$30 to $40 · 221 to 433 copies
PSA 8 to PSA 9
Costs2.0× moreCopies5.4× more$15 to $30 · 41 to 221 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.
