![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
$202.00
Raw
$6.10
PSA 10 pop
67
Gem rate
24.5%
A PSA 10 Koga's Koffing [1st Edition] #48 from Gym Challenge sells for $202.00 — a 3,211% premium over the $6.10 raw price. PSA has graded this card 273 times; 67 came back a 10 (24.5% gem rate), and 153 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $43.43. The jump from 9 to 10 is worth $158.57 — 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.
