![Grookey [Reverse Holo] #14 from Pokemon Twilight Masquerade](https://images.pokemontcg.io/sv6/14.png)
Grookey [Reverse Holo] #14 PSA 10: price & population
PSA 10
$39.99
Raw
$0.78
PSA 10 pop
3
Gem rate
30.0%
A PSA 10 Grookey [Reverse Holo] #14 from Twilight Masquerade sells for $39.99 — a 5,027% premium over the $0.78 raw price. PSA has graded this card 10 times; 3 came back a 10 (30.0% gem rate), and 5 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $11.52. The jump from 9 to 10 is worth $28.47 — 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.
