Professor Cozmo's Discovery #90 PSA 10: price & population
PSA 10
$99.00
Raw
$1.75
PSA 10 pop
4
Gem rate
40.0%
A PSA 10 Professor Cozmo's Discovery #90 from Deoxys sells for $99.00 — a 5,557% premium over the $1.75 raw price. PSA has graded this card 10 times; 4 came back a 10 (40.0% gem rate), and 3 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $24.68. The jump from 9 to 10 is worth $74.32 — 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.
