Brock's Dugtrio [1st Edition] #22 PSA 10: price & population
PSA 10
$243.48
Raw
$19.87
PSA 10 pop
126
Gem rate
33.5%
A PSA 10 Brock's Dugtrio [1st Edition] #22 from Gym Challenge sells for $243.48 — a 1,125% premium over the $19.87 raw price. PSA has graded this card 376 times; 126 came back a 10 (33.5% gem rate), and 159 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $35.00. The jump from 9 to 10 is worth $208.48 — 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.