Brock #15 PSA 10: price & population
PSA 10
$584.44
Raw
$31.25
PSA 10 pop
26
Gem rate
1.8%
A PSA 10 Brock #15 from Gym Heroes sells for $584.44 — a 1,770% premium over the $31.25 raw price. PSA has graded this card 1,454 times; 26 came back a 10 (1.8% gem rate), and 270 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $99.99. The jump from 9 to 10 is worth $484.45 — 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.
