![Rocket's Secret Experiment [1st Edition] #120 from Pokemon Gym Challenge](https://images.pokemontcg.io/gym2/120.png)
Rocket's Secret Experiment [1st Edition] #120 PSA 10: price & population
PSA 10
$3442.28
Raw
$11.63
PSA 10 pop
25
Gem rate
17.6%
A PSA 10 Rocket's Secret Experiment [1st Edition] #120 from Gym Challenge sells for $3442.28 — a 29,498% premium over the $11.63 raw price. PSA has graded this card 142 times; 25 came back a 10 (17.6% gem rate), and 60 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $45.51. The jump from 9 to 10 is worth $3396.77 — 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.
