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.

Graded Market · 7 completed sales

Shellos East Sea - 106/132 (Origins Game Fair 2008) [Staff] graded prices.

Q: Is grading Shellos East Sea - 106/132 (Origins Game Fair 2008) [Staff] worth it?

Compare the graded medians below against the raw reference price of $128.50 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

As of August 11, 2026, Shellos East Sea - 106/132 (Origins Game Fair 2008) [Staff] (Nintendo Black Star Promos #106) trades across the graded ladder below, based on 7 real eBay completed sales; the raw copy’s reference price is $128.50.

Across Nintendo Black Star Promos, PSA 10 copies sell for 23.5× their raw reference price on average (37 cards, 489 PSA 10 completed sales tracked).

As of August 11, 2026Raw price & chart →Grading ROI calculator →

CGC · Shellos East Sea - 106/132 (Origins Game Fair 2008) [Staff]

Grade	Median	Sales	vs Raw
Mint 9	$310.69	3	2.4×

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.