Where do these graded prices come from?

Medians of 7 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 Gigalith - 53/98 (Prerelease) worth it?

Compare the graded medians below against the raw reference price of $8.88 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 7 completed sales

Gigalith - 53/98 (Prerelease) graded prices.

As of August 5, 2026, Gigalith - 53/98 (Prerelease) (BW Black Star Promos #53) trades across the graded ladder below, based on 7 real eBay completed sales; the raw copy’s reference price is $8.88.

Across BW Black Star Promos, PSA 10 copies sell for 47.3× their raw reference price on average (10 cards, 101 PSA 10 completed sales tracked).

As of August 5, 2026Raw price & chart →Grading ROI calculator →

CGC · Gigalith - 53/98 (Prerelease)

Grade	Median	Sales	vs Raw
Mint 9	$24.88	3	2.8×

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.