Blastoise #37 PSA 10: price & population
PSA 10
$791.83
Raw
$68.88
PSA 10 pop
211
Gem rate
31.6%
A PSA 10 Blastoise #37 from Expedition sells for $791.83 — a 1,050% premium over the $68.88 raw price. PSA has graded this card 667 times; 211 came back a 10 (31.6% gem rate), and 214 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $330.00. The jump from 9 to 10 is worth $461.83 — 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.
