Blastoise EX #21 PSA 10: price & population
PSA 10
$122.00
Raw
$6.83
PSA 10 pop
1,746
Gem rate
32.5%
A PSA 10 Blastoise EX #21 from Evolutions sells for $122.00 — a 1,686% premium over the $6.83 raw price. PSA has graded this card 5,374 times; 1,746 came back a 10 (32.5% gem rate), and 2,374 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $29.49. The jump from 9 to 10 is worth $92.51 — 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.
