Brock's Training Method, Gym Heroes #106

Brock's Training Method

Gym Heroes · #106 · 2000

18%of 240 graded came back a PSA 10

How they graded

  • PSA 1044
  • PSA 9118
  • Below 978

PSA 10 price, 1st Edition$75

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 1036$75
PSA 9103139 at 9+$35
PSA 8+1 at 8.540180 at 8+$25
PSA 712192 at 7+—
PSA 62194 at 6+—
PSA 53197 at 5+—
PSA 40197 at 4+—
PSA 30197 at 3+—
PSA 20197 at 2+—
PSA 10197 at 1+—

One grade up

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

  • PSA 9 to PSA 10

    Costs2.1× more
    Copies2.9× fewer

    $35 to $75 · 103 to 36 copies

  • PSA 8 to PSA 9

    Costs1.4× more
    Copies2.6× more

    $25 to $35 · 40 to 103 copies

Takes

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Population from PSA as of Sep 12, 2026, across every printing. Prices are PSA’s own price guide figures as of Sep 12, 2026.

Gym Heroes