![Gastrodon West Sea [Reverse Holo] #9 from Pokemon Secret Wonders](https://images.pokemontcg.io/dp3/9.png)
Gastrodon West Sea [Reverse Holo] #9 PSA 10: price & population
PSA 10
$193.94
Raw
$5.40
PSA 10 pop
1
Gem rate
5.6%
A PSA 10 Gastrodon West Sea [Reverse Holo] #9 from Secret Wonders sells for $193.94 — a 3,491% premium over the $5.40 raw price. PSA has graded this card 18 times; 1 came back a 10 (5.6% gem rate), and 5 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $129.99. The jump from 9 to 10 is worth $63.95 — 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.
