Brock's Golem #20 PSA 10: price & population
PSA 10
$375.00
Raw
$13.99
PSA 10 pop
26
Gem rate
20.0%
A PSA 10 Brock's Golem #20 from Gym Heroes sells for $375.00 — a 2,580% premium over the $13.99 raw price. PSA has graded this card 130 times; 26 came back a 10 (20.0% gem rate), and 46 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $31.04. The jump from 9 to 10 is worth $343.96 — 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.
