Graded Market · 24 completed sales
Koffing graded prices.
As of July 8, 2026, Koffing (Expedition Base Set #114) in PSA 10 sells for a median of $79.95, based on 24 real eBay completed sales; the raw copy’s reference price is $5.58 — a 14.3× grading premium at the top grade.
PSA · Koffing
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $79.95 | 11 | 14.3× |
| Mint 9 | $256.46 | 3 | 46.0× |
CGC · Koffing
| Grade | Median | Sales | vs Raw |
|---|---|---|---|
| Gem Mint 10 | $120.00 | 3 | 21.5× |
Medians of real eBay completed sales per grade; small sample sizes deserve caution. Prices are dated reference values — cite them with the as-of date above. Attribution: CardIntel (cardintel.io). See the methodology.