← Base Set
Base Set · Original
Koffing
#51/102 · Common · Pokemon · 50 HP
- Type
- Grass
- Illustrator
- Mitsuhiro Arita
- Regulation mark
- —
- Retreat cost
- 1
- Weakness
- Psychic ×2
- Resistance
- —
- Variants
- First Edition, Normal
- Data source
- TCGdex (official card data)
Grass · Grass Foul Gas — 10
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.
Market value
Raw market value
€1.41
cardmarket average
PSA 10 average
N/A
No verified pricing available
PSA 9 average
N/A
No verified pricing available
PSA 8 average
N/A
No verified pricing available
Source: cardmarket · Currency EUR · Updated 24 Aug 2026