![Swampert [1st Edition] #15 from Pokemon Japanese Tidal Storm](https://pokeinvest-japanese-card-images.nyc3.cdn.digitaloceanspaces.com/Tidal_Storm/007_Swampert_15.jpg)
Swampert [1st Edition] #15 PSA 10: price & population
PSA 10
$427.72
Raw
$21.89
PSA 10 pop
123
Gem rate
62.4%
A PSA 10 Swampert [1st Edition] #15 from Japanese Tidal Storm sells for $427.72 — a 1,854% premium over the $21.89 raw price. PSA has graded this card 197 times; 123 came back a 10 (62.4% gem rate), and 56 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $79.45. The jump from 9 to 10 is worth $348.27 — 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.
