Underground Expedition
61%of 437 graded came back a PSA 10
How they graded
PSA 10 price guide$80
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 10265$80
PSA 9129394 at 9+$30
PSA 832426 at 8+$15
PSA 75431 at 7+—
PSA 62433 at 6+—
PSA 52435 at 5+—
PSA 40435 at 4+—
PSA 30435 at 3+—
PSA 20435 at 2+—
PSA 10435 at 1+—
One grade up
What the next grade costs, next to how the number of copies changes.
PSA 9 to PSA 10
Costs2.7× moreCopies2.1× more$30 to $80 · 129 to 265 copies
PSA 8 to PSA 9
Costs2.0× moreCopies4.0× more$15 to $30 · 32 to 129 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.
