Colress's Experiment #190 PSA 10: price & population
PSA 10
$33.57
Raw
$1.78
PSA 10 pop
146
Gem rate
48.3%
A PSA 10 Colress's Experiment #190 from Lost Origin sells for $33.57 — a 1,786% premium over the $1.78 raw price. PSA has graded this card 302 times; 146 came back a 10 (48.3% gem rate), and 116 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $15.00. The jump from 9 to 10 is worth $18.57 — 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.
