Grass Energy #129 PSA 10: price & population
PSA 10
$33.00
Raw
$1.23
PSA 10 pop
4
Gem rate
20.0%
A PSA 10 Grass Energy #129 from Gym Heroes sells for $33.00 — a 2,583% premium over the $1.23 raw price. PSA has graded this card 20 times; 4 came back a 10 (20.0% gem rate), and 7 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $24.03. The jump from 9 to 10 is worth $8.97 — 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.
