Where do these graded prices come from?

Medians of 62 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 Blastoise worth it?

Compare the graded medians below against the raw reference price of $49.04 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 62 completed sales

Blastoise graded prices.

As of August 2, 2026, Blastoise (Platinum #2) trades across the graded ladder below, based on 62 real eBay completed sales; the raw copy’s reference price is $49.04.

Across Platinum, PSA 10 copies sell for 62.9× their raw reference price on average (11 cards, 81 PSA 10 completed sales tracked).

As of August 2, 2026Raw price & chart →Grading ROI calculator →

PSA · Blastoise

Grade	Median	Sales	vs Raw
Mint 9	$199.00	16	4.1×
NM-MT 8	$60.49	16	1.2×
NM 7	$57.00	7	1.2×

CGC · Blastoise

Grade	Median	Sales	vs Raw
Mint 9	$95.00	7	1.9×
NM-MT 8	$44.99	3	0.9×

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.