![Grumpig [Reverse Holo] #20 from Pokemon Crystal Guardians](https://images.pokemontcg.io/ex14/20.png)
Grumpig [Reverse Holo] #20 PSA 10: price & population
PSA 10
$174.99
Raw
$13.77
PSA 10 pop
13
Gem rate
8.9%
A PSA 10 Grumpig [Reverse Holo] #20 from Crystal Guardians sells for $174.99 — a 1,171% premium over the $13.77 raw price. PSA has graded this card 146 times; 13 came back a 10 (8.9% gem rate), and 70 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $107.80. The jump from 9 to 10 is worth $67.19 — 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.
