![Professor Oak's Research [Reverse Holo] #80 from Pokemon Dragon Frontiers](https://images.pokemontcg.io/ex15/80.png)
Professor Oak's Research [Reverse Holo] #80 PSA 10: price & population
PSA 10
$147.50
Raw
$4.97
PSA 10 pop
13
Gem rate
26.0%
A PSA 10 Professor Oak's Research [Reverse Holo] #80 from Dragon Frontiers sells for $147.50 — a 2,868% premium over the $4.97 raw price. PSA has graded this card 50 times; 13 came back a 10 (26.0% gem rate), and 18 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $17.00. The jump from 9 to 10 is worth $130.50 — 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.
