Brock's Training Method #106 PSA 10: price & population
PSA 10
$130.16
Raw
$2.40
PSA 10 pop
8
Gem rate
18.6%
A PSA 10 Brock's Training Method #106 from Gym Heroes sells for $130.16 — a 5,323% premium over the $2.40 raw price. PSA has graded this card 43 times; 8 came back a 10 (18.6% gem rate), and 15 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $8.50. The jump from 9 to 10 is worth $121.66 — 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.
