Grass Energy #129 PSA 10: price & population
PSA 10
$33.00
Raw
$0.87
PSA 10 pop
4
Gem rate
21.1%
A PSA 10 Grass Energy #129 from Gym Heroes sells for $33.00 — a 3,693% premium over the $0.87 raw price. PSA has graded this card 19 times; 4 came back a 10 (21.1% gem rate), and 7 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $19.84. The jump from 9 to 10 is worth $13.16 — 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.
