Rarity: Common
HP: 40
Stage: Basic
Type: Pokemon
Energy
Weakness
Retreat
Artist: Ken Sugimori
Attacks: Smelly Gas
10
Flip a coin. If heads, this attack does 10 damage to each Benched Pokémon(including your own).(Don't apply Weakness and Resistance for Benched Pokémon.)
Flavor: Poison Gas Pokémon. Length: 2'0", Weight: 2 lbs. LV. 10 #109

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Koga's Koffing #079

Gym Challenge · Common

Koga's Koffing #079 has a TCGplayer market price of $2.82 (Near Mint, 1st Edition). Cardmarket lists it at €0.48 (Excellent).

Market prices

Updated Oct 19, 2026

Near Mint$2.82

Lightly Played$2.27

Moderately Played$1.59

Heavily Played$1.82

Damaged$1.06

No pricing data available.

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Date	Price	Grader	Grade	Link
Oct 15, 2026	$1.25	—	—	View
Oct 14, 2026	$5.69	—	—	View
Oct 13, 2026	$1.41	—	—	View
Oct 10, 2026	$2.10	—	—	View
Oct 3, 2026	$3.99	—	—	View
Sep 27, 2026	$0.99	—	—	View
Sep 26, 2026	$1.41	—	—	View
Sep 17, 2026	$2.99	—	—	View
Sep 16, 2026	$1.89	—	—	View
Sep 7, 2026	$3.99	—	—	View
Sep 7, 2026	$5.99	—	—	View
Sep 6, 2026	$1.99	—	—	View
Sep 6, 2026	$2.25	—	—	View
Sep 6, 2026	$1.99	—	—	View
Sep 6, 2026	$1.89	—	—	View
Sep 3, 2026	$2.99	—	—	View
Sep 2, 2026	$1.99	—	—	View
Sep 2, 2026	$1.64	—	—	View
Sep 1, 2026	$5.99	—	—	View
Sep 1, 2026	$2.99	—	—	View

The top of Gym Challenge by market price today.