![Koga [1st Edition] #106 from Pokemon Gym Challenge](https://images.pokemontcg.io/gym2/106.png)
Koga [1st Edition] #106 PSA 10: price & population
PSA 10
$151.38
Raw
$8.57
PSA 10 pop
90
Gem rate
35.9%
A PSA 10 Koga [1st Edition] #106 from Gym Challenge sells for $151.38 — a 1,666% premium over the $8.57 raw price. PSA has graded this card 251 times; 90 came back a 10 (35.9% gem rate), and 101 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $43.01. The jump from 9 to 10 is worth $108.37 — 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.
