Koffing

Cosmic Eclipse · #243/236 · Rare Secret · 2019

All 68 Koffing cards ranked by value →

$37.53

Market price ▼ 3.1% (30d)

Prices as of Nov 4, 2026

HP 60PsychicBasicArt · HYOGONOSUKE

2,895graded pop

27%gem rate

13.2×PSA 10 vs raw

+$126.01EV to grade — worth it

Market data

Price history

Secret▼ 1.6% 7d

Low $31.64Mid $39.39

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-11-04

Grade 6 est.$32.53

Grade 5 est.$27.39

Grade 4 est.$22.60

Grade 3 est.$18.83

Grade 2 est.$15.41

Grade 1 est.$13.01

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$494.50

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-09-17

PSA2,137 graded · 645 gem 10

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CGC758 graded · 147 gem 10

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Population data from PriceCharting, updated monthly.

Auction sale integrity

New

Graded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →

Clean price · PSA 10

$360.00

Low confidence — a single sale, not yet corroborated

Recent sale price by grade · tracked by cert number

PSA 10

$300.00

last $300.00 · Sep 21, 2026 · 1 sale

CGC 9.5

$13.00

last $13.00 · Jul 20, 2026 · 1 sale

Verified

PSA 10 · 13 bids · Sep 21, 2026

$300.00

Unconfirmed

CGC 9.5 · 8 bids · Jul 20, 2026

$13.00

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KoffingDelta Species · 2005$3.06

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Abilities

Blow-Away Bomb

Once during your turn, when you discard this Pokémon with the effect of Roxie, you may put 1 damage counter on each of your opponent's Pokémon. (Place damage counters after the effect of Roxie.)

Attacks

10Poison Gas

Your opponent's Active Pokémon is now Poisoned.

“Its thin, balloon-like body is inflated by horribly toxic gases. It reeks when it is nearby.”

How much is Koffing #243/236 worth?

As of November 4, 2026, Koffing #243/236 from Cosmic Eclipse sells for around $37.53 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $494.50, roughly 13.2x the raw price, while a PSA 9 sits near $73.32. 2,137 copies have been graded to date, and 30% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting Cosmic Eclipse?Full master set guide — every card, chase list, and completion cost→