Cornerstone Mask Ogerpon Ex #91 PSA 10: price & population
PSA 10
$28.99
Raw
$1.48
PSA 10 pop
41
Gem rate
77.4%
A PSA 10 Cornerstone Mask Ogerpon Ex #91 from Japanese Terastal Festival sells for $28.99 — a 1,859% premium over the $1.48 raw price. PSA has graded this card 53 times; 41 came back a 10 (77.4% gem rate), and 10 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $10.81. The jump from 9 to 10 is worth $18.18 — 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.
