![Groudon ex [1st Edition] #56 from Pokemon Japanese Undone Seal](https://pokeinvest-japanese-card-images.nyc3.cdn.digitaloceanspaces.com/Undone_Seal/002_Groudon_Ex_56.jpg)
Groudon ex [1st Edition] #56 PSA 10: price & population
PSA 10
$2099.00
Raw
$48.44
PSA 10 pop
139
Gem rate
42.0%
A PSA 10 Groudon ex [1st Edition] #56 from Japanese Undone Seal sells for $2099.00 — a 4,233% premium over the $48.44 raw price. PSA has graded this card 331 times; 139 came back a 10 (42.0% gem rate), and 114 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $324.89. The jump from 9 to 10 is worth $1774.11 — 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.
