Where do these graded prices come from?

Medians of 26 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 Mewtwo (20) worth it?

Compare the graded medians below against the raw reference price of $409.05 and subtract grading fees. The CardIntel Grading ROI calculator runs this math with live numbers.

Graded Market · 26 completed sales

Mewtwo (20) graded prices.

As of August 18, 2026, Mewtwo (20) (Expedition Base Set #020) trades across the graded ladder below, based on 26 real eBay completed sales; the raw copy’s reference price is $409.05.

Across Expedition Base Set, PSA 10 copies sell for 26.9× their raw reference price on average (56 cards, 333 PSA 10 completed sales tracked).

As of August 18, 2026Raw price & chart →Grading ROI calculator →

PSA · Mewtwo (20)

Grade	Median	Sales	vs Raw
Mint 9	$1.8K	5	4.4×
NM-MT 8	$575.00	5	1.4×
EX-MT 6	$367.00	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.