![Undersea Ruins [Reverse Holo] #138 from Pokemon Aquapolis](https://images.pokemontcg.io/ecard2/138.png)
Undersea Ruins [Reverse Holo] #138 PSA 10: price & population
PSA 10
$330.00
Raw
$13.59
PSA 10 pop
8
Gem rate
14.3%
A PSA 10 Undersea Ruins [Reverse Holo] #138 from Aquapolis sells for $330.00 — a 2,328% premium over the $13.59 raw price. PSA has graded this card 56 times; 8 came back a 10 (14.3% gem rate), and 22 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $74.97. The jump from 9 to 10 is worth $255.03 — 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.
