Grass Energy #99 PSA 10: price & population
PSA 10
$31.00
Raw
$15.00
PSA 10 pop
52
Gem rate
53.6%
A PSA 10 Grass Energy #99 from Japanese Clay Burst sells for $31.00 — a 107% premium over the $15.00 raw price. PSA has graded this card 97 times; 52 came back a 10 (53.6% gem rate), and 43 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $13.00. The jump from 9 to 10 is worth $18.00 — 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.
