![Koga's Koffing [1st Edition] #48 from Pokemon Gym Challenge](https://images.pokemontcg.io/gym2/48.png)
Koga's Koffing [1st Edition] #48 PSA 10: price & population
PSA 10
$183.43
Raw
$8.22
PSA 10 pop
67
Gem rate
23.9%
A PSA 10 Koga's Koffing [1st Edition] #48 from Gym Challenge sells for $183.43 — a 2,132% premium over the $8.22 raw price. PSA has graded this card 280 times; 67 came back a 10 (23.9% gem rate), and 156 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $31.95. The jump from 9 to 10 is worth $151.48 — 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.
