Koffing, Base #51

Koffing

Base · #51 · 1999

24%of 5,206 graded came back a PSA 10

How they graded

  • PSA 101,241
  • PSA 92,143
  • Below 91,822

PSA 10 price, 1st Edition$175

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 10631$175
PSA 91,1041,735 at 9+$70
PSA 8+14 at 8.55752,324 at 8+$50
PSA 72612,585 at 7+$35
PSA 61122,697 at 6+—
PSA 5612,758 at 5+—
PSA 4242,782 at 4+—
PSA 3142,796 at 3+—
PSA 262,802 at 2+—
PSA 182,810 at 1+—

One grade up

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

  • PSA 9 to PSA 10

    Costs2.5× more
    Copies1.7× fewer

    $70 to $175 · 1,104 to 631 copies

  • PSA 8 to PSA 9

    Costs1.4× more
    Copies1.9× more

    $50 to $70 · 575 to 1,104 copies

  • PSA 7 to PSA 8

    Costs1.4× more
    Copies2.2× more

    $35 to $50 · 261 to 575 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.

Base