Koffing
Base Set Unlimited · 51/102 · Non Holo
Ungraded Market Price
£0.92
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Excl. True Best Offer Prices · Incl. Buyer Fees
Median of last 15 UK eBay sales
Updated 26 Aug 2026
Median of last 15 UK eBay sales
Updated 26 Aug 2026
Near Mint 🔒
£***.**
Lightly Played 🔒
£***.**
Mod. Played 🔒
£***.**
Heavily Played 🔒
£***.**
Ungraded
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Recent UK eBay Listings
All Conditions
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Newest
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Pokémon TCG Koffing Base Set 51/102 Regular
Sold 15 Jul 2026
£2.01
View on eBay →
Koffing 51/102 Common Base Set Unlimited Pokemon Lightly Played
Sold 12 Jul 2026
£0.92
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Koffing 51/102 Pokemon TCG Base Set (1999) Common NM
Sold 12 Jul 2026
£1.17
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Koffing 51/102 - Base Set 4th Print - Common Vintage Pokemon Card WOTC NM
Sold 11 Jul 2026
£1.88
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Pokémon TCG Koffing Base Set 51/102 Regular LP.
Sold 09 Jul 2026
£0.93
View on eBay →
Koffing 51/102 Pokemon TCG Base Set (1999) Common NM
Sold 06 Jul 2026
£1.17
View on eBay →
Pokémon TCG | Koffing | Base Set | 51/102 | Regular Common | MP
Sold 02 Jul 2026
£0.23
View on eBay →
Koffing 51/102 - C Base Set Unlimited - LP - Pokemon
Sold 02 Jul 2026
£0.92
View on eBay →
Koffing 51/102 Base Set 1999 Pokemon Card LP. Vintage Card
Sold 01 Jul 2026
£0.51
View on eBay →
KOFFING 51/102 BASE SET UNLIMITED POKEMON
Sold 28 Jun 2026
£1.17
View on eBay →
Pokémon TCG Koffing Base Set Unlimited Common Card 51/102 Nm
Sold 27 Jun 2026
£0.26
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Pokémon TCG Koffing 51/102 Base Set Unlimited WOTC 1999 Vintage Common LP
Sold 17 Jun 2026
£0.63
View on eBay →
Koffing 51/102 Base Set Unlimited Regular Common 1999 English 50HP Basic
Sold 17 Jun 2026
£0.16
View on eBay →
New listingPokemon TCG Koffing 51/102 Base Set Unlimited Common 1999 WOTC Vintage
Sold 11 Jun 2026
£0.18
View on eBay →
Pokémon TCG Koffing Base Set 51/102 Regular HP
Sold 10 Jun 2026
£0.22
View on eBay →
+ hundreds more sales available in the ValuDex app
Graded Card Prices
| Grade | PSA | BGS | CGC | ACE |
|---|---|---|---|---|
| 10 |
£***.**
5 sales🔒
|
- | - |
£***.**
1 sale🔒
|
| 9 |
£***.**
6 sales🔒
|
- | - |
£***.**
2 sales🔒
|
| 8 |
£***.**
1 sale🔒
|
- | - |
£***.**
1 sale🔒
|
| 7 |
£***.**
4 sales🔒
|
- | - | - |
Graded prices are median of UK eBay sold data. Unlock full graded history in the ValuDex app.
Card Details
10Foul Gas
Grass · Grass
Flip a coin. If heads, the Defending Pokémon is now Poisoned; if tails, it is now Confused.
WeaknessPsychic ×2
Retreat1
Pokédex#109
Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.
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