Blastoise #31 PSA 10: price & population
PSA 10
$2125.00
Raw
$4.25
PSA 10 pop
23
Gem rate
6.0%
A PSA 10 Blastoise #31 from Boundaries Crossed sells for $2125.00 — a 49,900% premium over the $4.25 raw price. PSA has graded this card 384 times; 23 came back a 10 (6.0% gem rate), and 91 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $170.22. The jump from 9 to 10 is worth $1954.78 — 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.
