Brock's Geodude [1st Edition] #66 from Pokemon Gym Heroes

Brock's Geodude [1st Edition] #66

Gym Heroes

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Brock's Geodude [1st Edition] #66 PSA 10: price & population

PSA 10

$90.64

Raw

$2.94

PSA 10 pop

60

Gem rate

17.8%

A PSA 10 Brock's Geodude [1st Edition] #66 from Gym Heroes sells for $90.64 — a 2,983% premium over the $2.94 raw price. PSA has graded this card 337 times; 60 came back a 10 (17.8% gem rate), and 173 a PSA 9.

The 9-to-10 spread

PSA 9 sells for $23.09. The jump from 9 to 10 is worth $67.55 — that spread, times your real odds of the 10, is what decides whether grading pays.

Run this card's full grading math →

Prices from real completed sales, updated daily. Population data from PSA's public population report.