![Cloyster [Reverse Holo] #20 from Pokemon Fire Red & Leaf Green](https://images.pokemontcg.io/ex6/20.png)
Cloyster [Reverse Holo] #20 PSA 10: price & population
PSA 10
$1203.85
Raw
$35.00
PSA 10 pop
27
Gem rate
16.4%
A PSA 10 Cloyster [Reverse Holo] #20 from Fire Red & Leaf Green sells for $1203.85 — a 3,340% premium over the $35.00 raw price. PSA has graded this card 165 times; 27 came back a 10 (16.4% gem rate), and 62 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $261.00. The jump from 9 to 10 is worth $942.85 — 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.
