![Swampert [Reverse Holo] #11 from Pokemon Emerald](https://images.pokemontcg.io/ex9/11.png)
Swampert [Reverse Holo] #11 PSA 10: price & population
PSA 10
$677.50
Raw
$222.72
PSA 10 pop
8
Gem rate
4.4%
A PSA 10 Swampert [Reverse Holo] #11 from Emerald sells for $677.50 — a 204% premium over the $222.72 raw price. PSA has graded this card 180 times; 8 came back a 10 (4.4% gem rate), and 63 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $499.00. The jump from 9 to 10 is worth $178.50 — 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.
