Brock's Geodude [1st Edition] #68 PSA 10: price & population
PSA 10
$130.05
Raw
$3.47
PSA 10 pop
156
Gem rate
33.5%
A PSA 10 Brock's Geodude [1st Edition] #68 from Gym Challenge sells for $130.05 — a 3,648% premium over the $3.47 raw price. PSA has graded this card 465 times; 156 came back a 10 (33.5% gem rate), and 214 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $27.00. The jump from 9 to 10 is worth $103.05 — 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.