Koffing

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

$36.78

Market price ▼ 4.9% (30d)

Prices as of Aug 14, 2026

HP 60PsychicBasicArt · HYOGONOSUKE

2,877graded pop

28%gem rate

8.4×PSA 10 vs raw

-17%off ATH $35.94 · Jul 2026

+$59.16EV to grade — worth it

Market data

Price history

Secret▼ 1.1% 7d

Low $30.98Mid $40.00

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Graded market

Graded values

PSA 10 report →updated 2026-08-14

Grade 6 est.$28.49

Grade 5 est.$23.99

Grade 4 est.$19.79

Grade 3 est.$16.49

Grade 2 est.$13.50

Grade 1 est.$11.40

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$308.33

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

Graded population census · updated 2026-07-07

PSA2,137 graded · 645 gem 10

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CGC740 graded · 145 gem 10

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Population data from PriceCharting, updated monthly.

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 August 14, 2026, Koffing #243/236 from Cosmic Eclipse sells for around $36.78 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $308.33, roughly 8.4x the raw price, while a PSA 9 sits near $50.00. 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→