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Koffing: Base Set 51/102

Koffing 51/102 Base Set Pokémon card, Common

Printing shown in the price chartNon-holoShadowless1st Edition Shadowless

TCGplayer

$0.95

No change · 30D

Up $0.13 (15.85%)· 7D

Cardmarket

€0.55

Down €0.48 (46.60%)· 30D

Down €0.99 (64.29%)· 7D

TCGplayer

$33

Up $0.38 (1.18%)· 30D

Up $0.36 (1.11%)· 7D

Cardmarket

– not listed

Not listed

TCGplayer

$7.73

Down $0.02 (0.26%)· 30D

Up $0.01 (0.13%)· 7D

Cardmarket

– not listed

Not listed

Price history

TCGplayer
Cardmarket

Range7D30D

Cardmarket in US dollars at 1 EUR = 1.1214 USD (ECB).

Prices

TCGplayer

Raw Price

Non-holo$0.95
Shadowless$7.73
1st Edition– No price yet
1st Edition Shadowless$33
1999–2000 Copyright– No price yet

Cardmarket

Raw Price

Non-holo€0.55
Shadowless– not listed
1st Edition– not listed
1st Edition Shadowless– not listed
1999–2000 Copyright– not listed

Card details

Rarity: Common
Type: Grass
HP: 50
Stage: Basic
Pokédex: #109 Koffing
Illustrator: Mitsuhiro Arita
Released: Jan 9, 1999

2 Grass Energy: Foul Gas10

Flip a coin. If heads, the Defending Pokémon is now Poisoned; if tails, it is now Confused.

Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.

Price summary

Koffing 51/102 Non-holo is worth about $0.78 near mint, the average of the TCGplayer and Cardmarket prices, as of Nov 11, 2026. It is down $0.27 (25.7%) over the last 30 days.

How to tell the printings apart

Non-holo
No foil anywhere on the card.
Shadowless
No drop shadow on the right edge of the art box; thinner HP text.
1st Edition
A black “Edition 1” stamp sits left of the art box.
1st Edition Shadowless
A black “Edition 1” stamp sits left of the art box. No drop shadow on the right edge of the art box; thinner HP text.
1999–2000 Copyright
The copyright line reads ©1999-2000.

Low and average prices