![Imposter Professor Oak [Shadowless] #73 from Pokemon Base Set](https://images.pokemontcg.io/base1/73.png)
Imposter Professor Oak [Shadowless] #73 PSA 10: price & population
PSA 10
$332.99
Raw
$21.70
PSA 10 pop
87
Gem rate
21.0%
A PSA 10 Imposter Professor Oak [Shadowless] #73 from Base Set sells for $332.99 — a 1,435% premium over the $21.70 raw price. PSA has graded this card 415 times; 87 came back a 10 (21.0% gem rate), and 143 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $28.28. The jump from 9 to 10 is worth $304.71 — 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.
