![Brock's Graveler [1st Edition] #34 from Pokemon Gym Challenge](https://images.pokemontcg.io/gym2/34.png)
Brock's Graveler [1st Edition] #34 PSA 10: price & population
PSA 10
$248.78
Raw
$5.00
PSA 10 pop
95
Gem rate
29.7%
A PSA 10 Brock's Graveler [1st Edition] #34 from Gym Challenge sells for $248.78 — a 4,876% premium over the $5.00 raw price. PSA has graded this card 320 times; 95 came back a 10 (29.7% gem rate), and 153 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $32.16. The jump from 9 to 10 is worth $216.62 — 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.
