Professor Oak's Research Reverse Foil

Reverse Foil · Expedition Base Set #149

11%of 79 graded came back a PSA 10

How they graded

PSA 109
PSA 928
Below 942

PSA 10 price guide$125

Printings

Reverse Foil9PSA 10s of 79
Regular19PSA 10s of 68

Every grade

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

GradeCopiesPSA price

PSA 109$125

PSA 92837 at 9+$40

PSA 82663 at 8+$20

PSA 71073 at 7+—

PSA 6477 at 6+—

PSA 5279 at 5+—

PSA 4079 at 4+—

PSA 3079 at 3+—

PSA 2079 at 2+—

PSA 1079 at 1+—

Show all 10 gradesShow fewer grades

One grade up

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

PSA 9 to PSA 10
Costs3.1× more
Copies3.1× fewer
$40 to $125 · 28 to 9 copies
PSA 8 to PSA 9
Costs2.0× more
Copies1.1× more
$20 to $40 · 26 to 28 copies

Takes

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Population from PSA as of Sep 12, 2026. It counts grading submissions, not every copy that exists. Prices are PSA’s own price guide figures as of Sep 12, 2026.