Iono #350 PSA 10: price & population
PSA 10
$121.79
Raw
$39.90
PSA 10 pop
3
Gem rate
15.0%
A PSA 10 Iono #350 from Japanese Shiny Treasure ex sells for $121.79 — a 205% premium over the $39.90 raw price. PSA has graded this card 20 times; 3 came back a 10 (15.0% gem rate), and 15 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $47.00. The jump from 9 to 10 is worth $74.79 — 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.
