![Onix [Reverse Holo] #42 from Pokemon Fire Red & Leaf Green](https://images.pokemontcg.io/ex6/42.png)
Onix [Reverse Holo] #42 PSA 10: price & population
PSA 10
$280.00
Raw
$24.63
PSA 10 pop
16
Gem rate
11.8%
A PSA 10 Onix [Reverse Holo] #42 from Fire Red & Leaf Green sells for $280.00 — a 1,037% premium over the $24.63 raw price. PSA has graded this card 136 times; 16 came back a 10 (11.8% gem rate), and 58 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $153.50. The jump from 9 to 10 is worth $126.50 — 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.
