Koga's Grimer #88 PSA 10: price & population
PSA 10
$168.70
Raw
$1.66
PSA 10 pop
52
Gem rate
33.1%
A PSA 10 Koga's Grimer #88 from Japanese Challenge from the Darkness sells for $168.70 — a 10,063% premium over the $1.66 raw price. PSA has graded this card 157 times; 52 came back a 10 (33.1% gem rate), and 70 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $23.50. The jump from 9 to 10 is worth $145.20 — 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.
