![Shellder [Reverse Holo] #129 from Pokemon Expedition](https://images.pokemontcg.io/ecard1/129.png)
Shellder [Reverse Holo] #129 PSA 10: price & population
PSA 10
$142.50
Raw
$24.70
PSA 10 pop
14
Gem rate
10.3%
A PSA 10 Shellder [Reverse Holo] #129 from Expedition sells for $142.50 — a 477% premium over the $24.70 raw price. PSA has graded this card 136 times; 14 came back a 10 (10.3% gem rate), and 41 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $92.00. The jump from 9 to 10 is worth $50.50 — 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.
