Iron Boulder #77 PSA 10: price & population
PSA 10
$21.75
Raw
$1.39
PSA 10 pop
8
Gem rate
61.5%
A PSA 10 Iron Boulder #77 from Japanese Terastal Festival sells for $21.75 — a 1,465% premium over the $1.39 raw price. PSA has graded this card 13 times; 8 came back a 10 (61.5% gem rate), and 4 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $15.95. The jump from 9 to 10 is worth $5.80 — 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.
