Professor Oak's Research #149 PSA 10: price & population
PSA 10
$265.02
Raw
$2.01
PSA 10 pop
19
Gem rate
27.9%
A PSA 10 Professor Oak's Research #149 from Expedition sells for $265.02 — a 13,085% premium over the $2.01 raw price. PSA has graded this card 68 times; 19 came back a 10 (27.9% gem rate), and 24 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $30.41. The jump from 9 to 10 is worth $234.61 — 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.
