![Seaking [Poke Ball] #21 from Pokemon Prismatic Evolutions](https://images.pokemontcg.io/sv8pt5/21.png)
Seaking [Poke Ball] #21 PSA 10: price & population
PSA 10
$23.99
Raw
$0.75
PSA 10 pop
20
Gem rate
34.5%
A PSA 10 Seaking [Poke Ball] #21 from Prismatic Evolutions sells for $23.99 — a 3,099% premium over the $0.75 raw price. PSA has graded this card 58 times; 20 came back a 10 (34.5% gem rate), and 23 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $13.43. The jump from 9 to 10 is worth $10.56 — 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.
