Where do these graded prices come from?

Medians of 247 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 $225.41 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 247 completed sales

Blastoise graded prices.

As of August 20, 2026, Blastoise (Base #002) trades across the graded ladder below, based on 247 real eBay completed sales; the raw copy’s reference price is $225.41.

Across Base, PSA 10 copies sell for 61.3× their raw reference price on average (23 cards, 136 PSA 10 completed sales tracked).

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

PSA · Blastoise

Grade	Median	Sales	vs Raw
Mint 9	$725.00	12	3.2×
NM-MT 8	$300.00	44	1.3×
NM 7	$190.00	38	0.8×
EX-MT 6	$143.50	40	0.6×
EX 5	$117.50	37	0.5×

BGS · Blastoise

Grade	Median	Sales	vs Raw
Mint 9	$700.00	4	3.1×

CGC · Blastoise

Grade	Median	Sales	vs Raw
NM-MT 8	$170.00	6	0.8×

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.