Koraidon ex #29 PSA 10: price & population
PSA 10
$23.00
Raw
$0.63
PSA 10 pop
68
Gem rate
39.5%
A PSA 10 Koraidon ex #29 from Promo sells for $23.00 — a 3,551% premium over the $0.63 raw price. PSA has graded this card 172 times; 68 came back a 10 (39.5% gem rate), and 79 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $18.81. The jump from 9 to 10 is worth $4.19 — 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.
