![Seismitoad [Master Ball] #21 from Pokemon Black Bolt](https://images.pokemontcg.io/zsv10pt5/21.png)
Seismitoad [Master Ball] #21 PSA 10: price & population
PSA 10
$51.75
Raw
$10.00
PSA 10 pop
17
Gem rate
51.5%
A PSA 10 Seismitoad [Master Ball] #21 from Black Bolt sells for $51.75 — a 418% premium over the $10.00 raw price. PSA has graded this card 33 times; 17 came back a 10 (51.5% gem rate), and 12 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $13.00. The jump from 9 to 10 is worth $38.75 — 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.
