Where do these graded prices come from?

Medians of 12 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 Blaine's Gamble worth it?

Compare the graded medians below against the raw reference price of $0.59 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 12 completed sales

Blaine's Gamble graded prices.

As of August 20, 2026, Blaine's Gamble (Gym Heroes #121) trades across the graded ladder below, based on 12 real eBay completed sales; the raw copy’s reference price is $0.59.

Across Gym Heroes, PSA 10 copies sell for 51.5× their raw reference price on average (14 cards, 186 PSA 10 completed sales tracked).

As of August 20, 2026Raw price & chart →Grading ROI calculator →

PSA · Blaine's Gamble

Grade	Median	Sales	vs Raw
NM-MT 8	$15.34	4	26.0×

CGC · Blaine's Gamble

Grade	Median	Sales	vs Raw
Gem Mint 10	$22.25	4	37.7×

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.