![Koffing [Reverse Holo] #91 from Pokemon Journey Together](https://images.pokemontcg.io/sv9/91.png)
Koffing [Reverse Holo] #91 PSA 10: price & population
PSA 10
$48.28
Raw
$0.62
PSA 10 pop
4
Gem rate
40.0%
A PSA 10 Koffing [Reverse Holo] #91 from Journey Together sells for $48.28 — a 7,687% premium over the $0.62 raw price. PSA has graded this card 10 times; 4 came back a 10 (40.0% gem rate), and 3 a PSA 9.
The 9-to-10 spread
PSA 9 sells for $11.17. The jump from 9 to 10 is worth $37.11 — 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.
