Professor Oak #88 PSA 10: price & population
PSA 10
$132.33
Raw
$2.70
PSA 10 pop
293
Gem rate
24.3%
A PSA 10 Professor Oak #88 from Base Set sells for $132.33 — a 4,801% premium over the $2.70 raw price. PSA has graded this card 1,205 times; 293 came back a 10 (24.3% gem rate), and 492 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $44.08. The jump from 9 to 10 is worth $88.25 — 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.
