![Brock's Training Method [1st Edition] #106 from Pokemon Gym Heroes](https://images.pokemontcg.io/gym1/106.png)
Brock's Training Method [1st Edition] #106 PSA 10: price & population
PSA 10
$86.00
Raw
$3.73
PSA 10 pop
36
Gem rate
18.6%
A PSA 10 Brock's Training Method [1st Edition] #106 from Gym Heroes sells for $86.00 — a 2,206% premium over the $3.73 raw price. PSA has graded this card 194 times; 36 came back a 10 (18.6% gem rate), and 103 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $29.14. The jump from 9 to 10 is worth $56.86 — 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.
