Gym Challenge

#79 · 2000 · 132 cards

Koga's Koffing#79 · Gym Challenge

CommonPokémonBasicGrass

Market Price · Near Mint · Scrydex

→ Stable

$2.51

Low $2.00

▲ 2.1%+$0.0514d▲ 38.5%6m

eBay avg$2.00· 16 recent sales-20% vs TCG

All-Time High

$2.48

May 2026

All-Time Low

$2.48

May 2026

Prices by Condition

Condition	Market	vs NM	eBay Sold
Near Mint	$2.48	base	$2.00
Lightly Played	$1.86	-25%	—
Moderately Played	$1.32	-47%	—
Heavily Played	$1.94	-22%	—
Damaged	$0.91	-63%	—

~ estimated from NM using standard condition discounts · updated when marketplace data is available

16 recent eBay sales

Buy on TCGPlayer Search eBay sold →

Price History

Graded Card Prices

AGS 10

$12.50

$12.50 – $12.50

+398% raw

PSA 10

$144.40

$79.00 – $152.50

+5653% raw

PSA 9

$28.84

$10.00 – $31.00

+1049% raw

PSA 8

$19.88

$9.00 – $19.99

+692% raw

PSA 7

$16.00

$16.00 – $16.00

+537% raw

PSA 6

$12.50

$12.50 – $12.50

+398% raw

CGC 10

$37.49

$15.00 – $44.17

+1394% raw

CGC 9.5

$24.94

$18.00 – $24.99

+894% raw

CGC 9

$7.00

$7.00 – $7.00

+179% raw

CGC 8.5

$3.02

$3.00 – $6.00

+20% raw

CGC 8

$8.00

$8.00 – $8.00

+219% raw

CGC 7.5

$9.00

$9.00 – $9.00

+259% raw

CGC 7

$3.00

$3.00 – $3.00

+20% raw

BGS 9.5

$11.00

$11.00 – $11.00

+338% raw

Full Price Guide: Koga's Koffing #79 (Gym Challenge)

Ungraded + PSA / CGC / BGS grades

Condition	Market	eBay
Near MintMost common	$2.48	$2.00
Lightly Played	$1.86	—
Moderately Played	$1.32	—
Heavily Played	$1.94	—
Damaged	$0.91	—

Graded Prices

Grade	PSA	CGC	BGS	vs Raw
★ 10	$144.40	$37.49	—	+5723%
9	$28.84	$7.00	—	+1063%
8	$19.88	$8.00	—	+702%
7	$16.00	$3.00	—	+545%

Market prices from Scrydex · ~ estimated using standard condition discounts

16 recent eBay sales

Set Rank · Gym Challenge

#117of 131

Top 89%

$1.09$894.61

Card Details

Type

Pokémon

Stage

Basic

Attack

Grass

Smelly Gas

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.)

Weakness

Psychic×2

Retreat Cost

Colorless

Illustrated by

Ken Sugimori

Pokédex

#109

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