![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
$38.34
Raw
$2.75
PSA 10 pop
20
Gem rate
13.4%
A PSA 10 Grass Energy [1st Edition] #129 from Gym Heroes sells for $38.34 — a 1,294% premium over the $2.75 raw price. PSA has graded this card 149 times; 20 came back a 10 (13.4% gem rate), and 75 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $15.00. The jump from 9 to 10 is worth $23.34 — 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.
