![Grimer [Reverse Holo] #79 from Pokemon Aquapolis](https://images.pokemontcg.io/ecard2/79.png)
Grimer [Reverse Holo] #79 PSA 10: price & population
PSA 10
$720.00
Raw
$86.09
PSA 10 pop
10
Gem rate
12.2%
A PSA 10 Grimer [Reverse Holo] #79 from Aquapolis sells for $720.00 — a 736% premium over the $86.09 raw price. PSA has graded this card 82 times; 10 came back a 10 (12.2% gem rate), and 32 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $600.00. The jump from 9 to 10 is worth $120.00 — 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.
