![Blastoise [Reverse Holo] #31 from Pokemon Boundaries Crossed](https://images.pokemontcg.io/bw7/31.png)
Blastoise [Reverse Holo] #31 PSA 10: price & population
PSA 10
$273.27
Raw
$19.99
PSA 10 pop
3
Gem rate
4.8%
A PSA 10 Blastoise [Reverse Holo] #31 from Boundaries Crossed sells for $273.27 — a 1,267% premium over the $19.99 raw price. PSA has graded this card 63 times; 3 came back a 10 (4.8% gem rate), and 28 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $153.00. The jump from 9 to 10 is worth $120.27 — 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.
