![Grass Energy [1st Edition] #129 from Pokemon Gym Heroes](https://pokemon-card-images-1234.s3.amazonaws.com/Grass%20Energy-129.webp)
Grass Energy [1st Edition] #129 PSA 10: price & population
PSA 10
$38.25
Raw
$3.00
PSA 10 pop
20
Gem rate
13.2%
A PSA 10 Grass Energy [1st Edition] #129 from Gym Heroes sells for $38.25 — a 1,175% premium over the $3.00 raw price. PSA has graded this card 152 times; 20 came back a 10 (13.2% gem rate), and 76 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $11.11. The jump from 9 to 10 is worth $27.14 — 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.
