Brock's Geodude [1st Edition] #68 PSA 10: price & population
PSA 10
$207.76
Raw
$3.25
PSA 10 pop
156
Gem rate
32.6%
A PSA 10 Brock's Geodude [1st Edition] #68 from Gym Challenge sells for $207.76 — a 6,293% premium over the $3.25 raw price. PSA has graded this card 478 times; 156 came back a 10 (32.6% gem rate), and 219 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $31.95. The jump from 9 to 10 is worth $175.81 — that spread, times your real odds of the 10, is what decides whether grading pays.
Prices from real completed sales, updated daily. Population data from PSA's public population report.