Dark Blastoise #20 PSA 10: price & population
PSA 10
$350.00
Raw
$18.85
PSA 10 pop
167
Gem rate
5.8%
A PSA 10 Dark Blastoise #20 from Team Rocket sells for $350.00 — a 1,757% premium over the $18.85 raw price. PSA has graded this card 2,892 times; 167 came back a 10 (5.8% gem rate), and 728 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $82.00. The jump from 9 to 10 is worth $268.00 — 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.
