Rare SecretCosmic Eclipse243/2362019PSA 10

Koffing 243/236 · Cosmic Eclipse PSA 10 price

PSA 10 · gem mint slab

$408

Fair buy $306 · sell $41411× rawUpdated today

Grade vs rawFull ladder →

Raw NM$36
PSA 9$722.0×
PSA 10this page$40811×

PSA 10 sales: 21; 6 cert-verified
Last 90 days: 21; sells regularly
Confidence: High; 21 sales in 90 days, closely clustered.
Latest sale: 5d ago; one every ~4d

ViewingPSA 10Raw / ungraded →PSA 9 →

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

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PSA 10 slabs for sale right now

Live asks for a PSA 10 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.

No live listings in our latest snapshot for this grade — the marketplaces above search it directly.

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Why $408? Cert-verified PSA 10 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
2026-09-25	eBay · auction	listing #55938813	$408
2026-09-21	Fanatics · auction	#130668446	$360
2026-09-21	eBay · auction	listing #48289401	$385
2026-09-19	eBay · bestoffer	listing #54366920	$290
2026-09-10	eBay · bestoffer	listing #159025674	$420
2026-09-02	eBay · fixedprice	listing #104329320 sold before	$500

3 of 6 were competitive auctions; 2 best offers and 1 fixed-price. A PSA 10 copy trades roughly every 4 days, the median gap between cert-verified sales.

PSA 10 price history

Quarterly medians of cert-verified PSA 10 sales — 166 sales across 25 quarters, Q2 2020 to Q3 2026.

PSA 10 · index · latest

$408▲ 123%over 366 days

2025-10-03 → 2026-10-04

The recorded PSA 10 price index, held at the last cert-verified sale where our record lagged it, 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 $368 (Q3 2026, 20 sales) · ▲ 1127% since Q2 2020

Slab history — PSA 10 copies that have sold more than once

14 slabs have sold more than once, across 14 resales — typically 257 days apart, with a median gross price change of +82.5%. That is 14 of the 148 distinct slabs behind 167 cert-linked sales at this grade — 9.5%. The rest we have seen sell once, which is not evidence they have not sold before.

Cert	Sales of this slab	Between	Gross change
#104329320	Mar 2026 $274→Sept 2026 $500	3–6 months	+82.5%
#65876747	Jan 2026 $185→Jun 2026 $360	3–6 months	+94.6%
#68564599	Jan 2023 $46→May 2026 $350	Over a year	+660.9%
#56282705	Oct 2025 $167→May 2026 $330	6–12 months	+98.2%
#122403368	Oct 2025 $185→Apr 2026 $307	6–12 months	+66.1%
#55088639	May 2025 $50→Jan 2026 $170	6–12 months	+240.2%
#126282429	Oct 2025 $250→Jan 2026 $175	Under 3 months	-30.0%
#73045982	Mar 2025 $84→Dec 2025 $168	6–12 months	+100.0%
#57533478	Aug 2025 $226→Dec 2025 $168	3–6 months	-25.9%
#47536101	May 2021 $120→Jul 2025 $180	Over a year	+50.6%

Showing the 10 most recent of 14 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 10 sale we can show you

Cert-verified sales, the eBay comps, our own ledger and Fanatics, in one list newest first. We hold 21 PSA 10 sales with a median of $400; the ledger names its most recent eight, which is what this table can link to. Fanatics alone: 1 PSA 10 sales, 1 in the last 90 days.

GraderGradeCert-verified only 6

	Grade	Venue	Date	Certificate	Price
POKEMON KOFFING 2019 SUN & MOON COSMIC ECLIPSE #243 FA SECRET PSA 10	PSA 10	eBay	2026-09-30	—	$330
2019 Pokemon Sun & Moon Cosmic Eclipse Koffing #243/236 PSA 10 GEM MINT	PSA 10	eBay	2026-09-30	—	$372
2019 POKEMON SUN & MOON COSMIC ECLIPSE SECRET #243 FULL ART/KOFFING PSA 10	PSA 10	eBay	2026-09-29	—	$800
2019 Pokemon Sun & Moon Cosmic Eclipse SEC Koffing #243 PSA 10 GEM MINT	PSA 10	Fanatics	2026-09-28	—	$599
2019 Pokémon Cosmic Eclipse Koffing 243/236 · PSA 10	PSA 10	eBayAuction	2026-09-25	55938813	$408
KOFFING 2019 POKEMON SUN & MOON COSMIC ECLIPSE SECRET FULL ART #243 PSA 10 GEM	PSA 10	eBay	2026-09-24	—	$408
2019 Pokemon Sun & Moon Cosmic Eclipse CHR Koffing #243 PSA 10 GEM MINT	PSA 10	Fanatics	2026-09-21	—	$300
2019 Pokémon Cosmic Eclipse Koffing 243/236 · PSA 10	PSA 10	eBayAuction	2026-09-21	48289401	$385
2019 Pokémon Cosmic Eclipse Koffing 243/236 · PSA 10	PSA 10	Fanatics CollectAuction	2026-09-21	130668446	$360
Pokemon Koffing Cosmic Eclipse 243/236 Secret Rare PSA 10 Gem Mint	PSA 10	eBay	2026-09-20	—	$385
2019 Pokémon Cosmic Eclipse Koffing 243/236 · PSA 10	PSA 10	eBayBestOffer	2026-09-19	54366920	$290
2019 Pokémon Cosmic Eclipse Koffing 243/236 · PSA 10	PSA 10	eBayBestOffer	2026-09-10	159025674	$420
2019 Pokémon Cosmic Eclipse Koffing 243/236 · PSA 10	PSA 10	eBayFixedPrice	2026-09-02	104329320	$500

1–8 of 13 sales · 6 carry a PSA certificate, checkable on psacard.com.

How many PSA 10 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 10 population

650

28.9% of 2,248 graded

Share of every submission

28.9%

the census gem rate — a ceiling

Total PSA graded

2,248

every grade, all time

Other graders at a 10: CGC 155 of 806. A CGC or BGS 10 is its own market and is not in the price above.

Is Koffing worth grading?

Every grade weighted by how often this card actually earns it — the PSA 10 outcome is one leg, not the whole answer.

Verdict

Worth it

every grade weighted by its census share

Expected net

$48

after fees, all grades

Comes back PSA 10

2990%

of submissions, by the census

Best case

$288

PSA 10 net of raw and fee

Grading cost

$82

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 65 graded sales and a population of 4,411,721 · fees as of 2026-10-03.

More Koffing and more from Cosmic Eclipse

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

Cite this PSA 10 pricefree with attribution

Citation

Koffing (Cosmic Eclipse #243) — PSA 10 market value USD $408, from 6 cert-verified sales. Source: CardTrack, https://cardtrack.com/pokemon/card/cosmic-eclipse/koffing-243/psa-10

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Frequently asked questions

How much is a PSA 10 Koffing (Cosmic Eclipse #243) worth?

As of 4 October 2026, a PSA 10 gem mint Koffing from Cosmic Eclipse is worth approximately $408, with a fair range of $306 to $414 — about 11× the $36 raw near-mint price.

Where does the PSA 10 price come from?

From 6 cert-verified PSA 10 sales, each tied by PSA to a specific slab with a public cert number — 3 at auction, 2 by best offer and 1 at a fixed price. A PSA 10 copy trades roughly every 4 days.

How many PSA 10 Koffing exist?

PSA has graded 650 copies of Koffing (Cosmic Eclipse #243) a 10, out of 2,248 submitted — 28.9% of the population. The census counts resubmissions, so it overstates the gem rate a fresh submission should expect.

Should I grade my Koffing hoping for a PSA 10?

Probably yes. Weighting every grade by how often this card earns it, expected value after the $82 grading fee is about $48; this card comes back a PSA 10 about 2990% of the time.

Is a PSA 10 Koffing a good investment?

CardTrack tracks prices; it does not give investment advice. A PSA 10 Koffing has 21 recorded sales, 21 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.