Rare SecretShining Legends78/732017PSA 9

Mewtwo-GX 78/73 · Shining Legends PSA 9 price

PSA 9 · mint slab

$1,525

Fair buy $1,173 · sell $1,5871.8× rawUpdated today

Grade vs rawFull ladder →

Raw NM$849
PSA 9this page$1,5251.8×
PSA 10$8,60610×

PSA 9 sales: 123; 6 cert-verified
Last 90 days: 96; sells often
Confidence: High; 96 sales in 90 days, closely clustered.
Latest sale: 2d ago; one every ~1d

ViewingPSA 9Raw / ungraded →PSA 10 →

Our published graded price for this card, checked against every cert-verified sale below. An estimate, not an appraisal. How we price →

PSA’s own estimate for a PSA 9: $1,608 (range $1,443–$1,714, high confidence, from cert #143576384, checked Sept 2026). Our price sits inside PSA’s range. PSA builds it from the same auction records we track, so it is a cross-check, not a second source.

Checked against PSAInside PSA’s range

PSA $1,608

Ours $1,525

PSA low $1,443PSA high $1,714

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PSA 9 slabs for sale right now

Live asks for a PSA 9 of this exact card · stock as of today. A raw copy or a reverse holo is a different product and is not in this list.

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PSA 9 · buy now

cheapest 6 of 8

Cheapest ask $1,526 — in line with our PSA 9 estimate of $1,525

Buy from here

TCGplayer$813 ebay Fanatics

Affiliate links — CardTrack may earn a commission from eBay and other marketplaces, at no extra cost to you.

Buy#adCardTrack earns a commission on purchasesTCGplayer$813 ebay Fanatics

Why $1,525? Cert-verified PSA 9 sales

Each sale is tied by PSA to a specific graded slab — click the cert to check the exact card, grade and serial on psacard.com. Outliers against the grade’s own median are dropped; qualified slabs are listed separately beneath.

Date	Sold via	Cert	Price
2026-09-26	eBay · fixedprice	listing #72860387	$1,900
2026-09-25	eBay · bestoffer	listing #164408571	$1,250
2026-09-25	Fanatics · fixedprice	#48346556	$1,925
2026-09-23	eBay · auction	listing #74730086	$1,585
2026-09-23	eBay · auction	listing #172979499	$1,425
2026-09-23	eBay · auction	listing #172646349	$1,527

3 of 6 were competitive auctions; 1 best offers and 2 fixed-price. A PSA 9 copy trades roughly every 1 days, the median gap between cert-verified sales.

PSA 9 price history

Monthly medians of cert-verified PSA 9 sales — 686 sales across 15 months, Jul 2025 to Sep 2026.

PSA 9 · index · latest

$1,525▲ 79%over 366 days

2025-10-03 → 2026-10-04

The recorded PSA 9 price index, closing on the figure above. The line is the running level, so a single unusually cheap or dear sale does not spike it. Hover any day for its price on the line.

Latest $1,525 (Sep 2026, 32 sales) · ▲ 103% since Jul 2025

Slab history — PSA 9 copies that have sold more than once

42 slabs have sold more than once, across 44 resales — typically 111 days apart, with a median gross price change of +28.8%. That is 42 of the 599 distinct slabs behind 688 cert-linked sales at this grade — 7%. The rest we have seen sell once, which is not evidence they have not sold before.

Cert	Sales of this slab	Between	Gross change
#46144173	Jun 2026 $1,650→Sept 2026 $1,500	Under 3 months	-9.1%
#156968698	Jul 2026 $1,800→Sept 2026 $1,370	Under 3 months	-23.9%
#88015857	Feb 2026 $952→Sept 2026 $1,725	6–12 months	+81.2%
#145727630	Mar 2026 $1,199→Sept 2026 $1,670	3–6 months	+39.3%
#56130068	Mar 2026 $875→Aug 2026 $1,650	3–6 months	+88.6%
#121301007	Dec 2025 $600→Jun 2026 $1,525→Jul 2026 $1,625	Under 3 months	+170.8%
#51750966	Jan 2026 $825→Jul 2026 $1,700	3–6 months	+106.1%
#43901505	Dec 2025 $690→Jun 2026 $1,725	6–12 months	+150.0%
#123299220	Aug 2025 $1,000→Jun 2026 $1,650	6–12 months	+65.0%
#94046973	Mar 2026 $1,375→Jun 2026 $1,600	Under 3 months	+16.4%

Showing the 10 most recent of 42 slabs with a history. A cert reappearing shows the same physical slab sold again — it identifies no buyer or seller. Gross change is price to price; fees, shipping and the grading cost are not in it.

Every PSA 9 sale we can show you

Cert-verified sales, the eBay comps, our own ledger and Fanatics, in one list newest first. We hold 123 PSA 9 sales with a median of $1,625; the ledger names its most recent eight, which is what this table can link to. Fanatics alone: 19 PSA 9 sales, 5 in the last 90 days.

GraderGradeCert-verified only 6

	Grade	Venue	Date	Certificate	Price
2017 Pokemon Sun & Moon Shining Legends Mewtwo GX #78 PSA 9 MINT	PSA 9	Fanatics	2026-10-03	—	$1,671
Pokemon Mewtwo GX Shining Legends Secret Rare #78 PSA 9 Mint	PSA 9	eBay	2026-10-01	—	$1,525
2017 POKEMON SUN & Moon - Shining Legends - MEWTWO GX - #78/73 PSA 9	PSA 9	eBay	2026-10-01	—	$1,625
Mewtwo GX Secret Rare Holo 78/73 Shining Legends 2017 PSA 9 Pokemon	PSA 9	eBay	2026-09-30	—	$1,480
2017 Pokemon Sun & Moon Shining Legends Full Art Mewtwo GX #78 PSA 9 MINT	PSA 9	FanaticsAuction	2026-09-28	—	$1,530
2017 Pokemon Sun & Moon Shining Legends Full Art Mewtwo GX #78 PSA 9 MINT	PSA 9	Fanatics	2026-09-28	—	$1,275
Pokemon 2017 Mewtwo GX 78/73 Full Art Secret Rare Shining Legends PSA 9	PSA 9	eBay	2026-09-28	—	$1,545
MEWTWO GX 2017 POKEMON SM SHINING LEGENDS 78/73 SECRET RARE PSA 9 Q3963-5	PSA 9	eBay	2026-09-28	—	$1,393
2017 POKEMON SUN & MOON SHINING LEGENDS SECRET #78 MEWTWO GX PSA 9	PSA 9	eBay	2026-09-27	—	$1,411
2017 Pokémon Shining Legends Mewtwo-GX 78/73 · PSA 9	PSA 9	eBayFixedPrice	2026-09-26	72860387	$1,900
2017 Pokémon Shining Legends Mewtwo-GX 78/73 · PSA 9	PSA 9	Fanatics CollectFixedPrice	2026-09-25	48346556	$1,925
2017 Pokémon Shining Legends Mewtwo-GX 78/73 · PSA 9	PSA 9	eBayBestOffer	2026-09-25	164408571	$1,250
2017 Pokémon Shining Legends Mewtwo-GX 78/73 · PSA 9	PSA 9	eBayAuction	2026-09-23	172646349	$1,527
2017 Pokémon Shining Legends Mewtwo-GX 78/73 · PSA 9	PSA 9	eBayAuction	2026-09-23	172979499	$1,425
2017 Pokémon Shining Legends Mewtwo-GX 78/73 · PSA 9	PSA 9	eBayAuction	2026-09-23	74730086	$1,585
2017 Pokemon Sun & Moon Shining Legends Full Art Mewtwo GX #78 PSA 9 MINT	PSA 9	FanaticsAuction	2026-08-17	—	$1,710
2017 Pokemon Sun & Moon Shining Legends Alt Art Mewtwo GX #78 PSA 9 MINT	PSA 9	FanaticsAuction	2026-07-27	—	$1,380
2017 Pokemon Sun & Moon Shining Legends Mewtwo GX #78 PSA 9 MINT	PSA 9	FanaticsAuction	2026-07-20	—	$1,380
2017 Pokemon Sun & Moon Shining Legends Alt Art Mewtwo GX #78 PSA 9 MINT	PSA 9	FanaticsAuction	2026-06-08	—	$1,830
2017 Pokemon Sun & Moon Shining Legends Full Art Mewtwo GX #78 PSA 9 MINT	PSA 9	FanaticsAuction	2026-05-04	—	$1,440

1–8 of 20 sales · 6 carry a PSA certificate, checkable on psacard.com.

How many PSA 9 copies exist

PSA’s cumulative census for this card. It counts resubmissions, so it skews toward nicer copies and overstates the rate a fresh submission should expect.

PSA 9 population

6,971

40.1% of 17,400 graded

Graded higher

2,767

PSA 10s above this grade

Total PSA graded

17,400

every grade, all time

Other graders at a 9: CGC 337 of 1,892. A CGC or BGS 9 is its own market and is not in the price above.

Is Mewtwo-GX worth grading?

Every grade weighted by how often this card actually earns it — the PSA 9 outcome is one leg, not the whole answer.

Verdict

Worth it

every grade weighted by its census share

Expected net

$1,322

after fees, all grades

Comes back PSA 9

4130%

of submissions, by the census

PSA 9 outcome

$424

PSA 9 net of raw and fee

Grading cost

$252

tier fee + shipping

Trader

Compare graders, and the live market

The verdict above is PSA's — the grader the population, the ROI table and the ladder on this page all use. Trader prices all three graders against each other and adds what the asking market is doing right now.

Trader plan and above →

PSA, CGC and Beckett side by side — each on its own population and fees, Beckett scored on the 9.5 its market pays for.
Lightly and moderately played — the same expected return for a copy that cannot gem.
Ask vs sold — what the live listings want, against what copies have really closed at.
Momentum — the 30-day median against the 90-day, per grade.
Where it sells higher — the Fanatics-versus-eBay premium, with the sale counts behind it.
Population history — the weekly PSA census, so you can see how fast 10s are arriving before you post the card.

Built on 409 graded sales and a population of 4,425,737 · fees as of 2026-10-03.

More Mewtwo-GX and more from Shining Legends

Prices are raw near mint; PSA 10 shown where we have one.

Cite this PSA 9 pricefree with attribution

Citation

Mewtwo-GX (Shining Legends #78) — PSA 9 market value USD $1,525, from 6 cert-verified sales. Source: CardTrack, https://cardtrack.com/pokemon/card/shining-legends/mewtwo-gx-78/psa-9

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Frequently asked questions

How much is a PSA 9 Mewtwo-GX (Shining Legends #78) worth?

As of 4 October 2026, a PSA 9 mint Mewtwo-GX from Shining Legends is worth approximately $1,525, with a fair range of $1,173 to $1,587 — about 1.8× the $849 raw near-mint price.

Where does the PSA 9 price come from?

From 6 cert-verified PSA 9 sales, each tied by PSA to a specific slab with a public cert number — 3 at auction, 1 by best offer and 2 at a fixed price. A PSA 9 copy trades roughly every 1 days.

How many PSA 9 Mewtwo-GX exist?

PSA has graded 6,971 copies of Mewtwo-GX (Shining Legends #78) a 9, out of 17,400 submitted — 40.1% of the population, with 2,767 graded higher. The census counts resubmissions, so it overstates the gem rate a fresh submission should expect.

Should I grade my Mewtwo-GX hoping for a PSA 9?

Probably yes. Weighting every grade by how often this card earns it, expected value after the $252 grading fee is about $1,322; this card comes back a PSA 9 about 4130% of the time.

Is a PSA 9 Mewtwo-GX a good investment?

CardTrack tracks prices; it does not give investment advice. A PSA 9 Mewtwo-GX has 123 recorded sales, 96 of them in the last 90 days, and the slab-history table above shows what happened to copies that sold twice. Read those before you read anyone's forecast.