![Onix [Reverse Holo] #42 from Pokemon Fire Red & Leaf Green](https://images.pokemontcg.io/ex3/42.png)
Onix [Reverse Holo] #42 PSA 10: price & population
PSA 10
$280.00
Raw
$27.28
PSA 10 pop
16
Gem rate
14.3%
A PSA 10 Onix [Reverse Holo] #42 from Fire Red & Leaf Green sells for $280.00 — a 926% premium over the $27.28 raw price. PSA has graded this card 112 times; 16 came back a 10 (14.3% gem rate), and 51 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $36.06. The jump from 9 to 10 is worth $243.94 — 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.
