Professor's Research

15%of 48 graded came back a PSA 10. A small sample, so one grade moves it.

How they graded

Every grade, Poke Ball Reverse Holo

Copies at each grade, how many sit at that grade or higher, and PSA’s price where it lists one.

GradeCopiesPSA price

PSA 107—

PSA 91724 at 9+—

PSA 8630 at 8+—

PSA 7030 at 7+—

PSA 6131 at 6+—

PSA 5031 at 5+—

PSA 4132 at 4+—

PSA 3032 at 3+—

PSA 2032 at 2+—

PSA 1032 at 1+—

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