Blastoise #4 PSA 10: price & population
PSA 10
$13951.50
Raw
$260.64
PSA 10 pop
89
Gem rate
5.7%
A PSA 10 Blastoise #4 from Expedition sells for $13951.50 — a 5,253% premium over the $260.64 raw price. PSA has graded this card 1,553 times; 89 came back a 10 (5.7% gem rate), and 350 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $1666.91. The jump from 9 to 10 is worth $12284.59 — 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.
