Where do these graded prices come from?

Medians of 3 real eBay completed sales aggregated per grade (PSA, BGS, CGC) — a completed-sale evidence layer, not listing asks. Sample sizes are shown per grade; thin grades deserve caution.

Is grading Koffing worth it?

Compare the graded medians below against the raw reference price of $0.99 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 3 completed sales

Koffing graded prices.

As of August 8, 2026, Koffing (Rising Rivals #68) trades across the graded ladder below, based on 3 real eBay completed sales; the raw copy’s reference price is $0.99.

Across Rising Rivals, PSA 10 copies sell for 87.5× their raw reference price on average (11 cards, 45 PSA 10 completed sales tracked).

As of August 8, 2026Raw price & chart →Grading ROI calculator →

PSA · Koffing

Grade	Median	Sales	vs Raw
NM-MT 8	$27.69	3	28.0×

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.