Koffing 051/102

Base Set • Common • Normal

All 86 printings from $0.06 →

Sold $0.40–$3.99 this week

22 NM sales this week · 92 in 30 days

TCGplayer market $1.08as of Oct 9, 2026↑ +$0.18 (+20.0%) this week

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Selling it? At market it nets about $0.63 on eBay or $0.64 on TCGplayer after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-09

Listings are below the recent sold range

Sold (7d / 30d)

147 / 426

NM sold between (7d)

$0.40–$3.99

Cheapest listing

$0.15

Units sold per day, Sep 6–Oct 8 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Sep 6	4	$0.47–$3.44
Sep 7	12	$0.88–$1.09
Sep 8	2	$0.79–$1.11
Sep 9	5	$0.46–$1.18
Sep 11	1	$0.46–$0.46
Sep 12	2	$1.49–$3.49
Sep 13	2	$0.50–$1.46
Sep 14	1	$0.50–$0.50
Sep 15	1	$0.97–$0.97
Sep 17	2	$0.47–$0.92
Sep 18	5	$0.46–$0.97
Sep 19	4	$0.46–$1.09
Sep 20	1	$0.45–$0.45
Sep 21	4	$0.92–$1.06
Sep 22	3	$0.45–$0.92
Sep 23	6	$0.76–$1.06
Sep 25	3	$0.25–$0.96
Sep 26	6	$0.79–$1.04
Sep 27	2	$0.46–$0.97
Sep 28	8	$0.73–$1.31
Sep 29	4	$0.80–$0.97
Sep 30	7	$0.45–$1.06
Oct 1	4	$0.83–$1.03
Oct 2	4	$0.80–$1.93
Oct 3	5	$0.47–$1.13
Oct 4	2	$0.95–$1.12
Oct 5	3	$0.49–$1.12
Oct 6	5	$0.40–$1.49
Oct 7	4	$0.96–$3.99
Oct 8	3	$0.45–$1.39

Condition	Sold 7d	Sold 30d
Damaged	12	27
Heavily Played	7	31
Lightly Played	54	141
Moderately Played	52	135
Near Mint	22	92

Sales data: TCGplayer

Quick answers

How much is Koffing 051/102 worth?

As of October 9, 2026, Koffing 051/102 from Base Set has a TCGplayer market price of $1.08. 22 Near Mint copies sold on TCGplayer this week at $0.40 to $3.99.

Is Koffing 051/102 going up or down in price?

Its TCGplayer market price is down 20.6% over the past 30 days and up 20.0% over the past week, as of October 9, 2026.

Price Snapshot

Market

$1.08

Low

$0.15

Mid

$0.67

High

$16.40

7-Day:+$0.18 (+20.0%)

30-Day:-$0.28 (-20.6%)

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market price	Price	Usually means
50%	$0.54	Cash buylist, low end
60%	$0.65	Cash buylist, typical
70%	$0.76	Buylist top end, store credit
80%	$0.86	Bulk lot or quick sale
90%	$0.97	Quick sale, just under market
100%	$1.08	Market price
110%	$1.19	Asking price, room to negotiate
120%	$1.30	Asking price, room to negotiate
150%	$1.62	Presale and hype pricing

Your price (USD)

$

Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Basic Pokémon · 50 HP · Grass

GGFoul Gas10
Flip a coin. If heads, the Defending Pokémon is now Poisoned; if tails, it is now Confused.

Weakness P · Retreat 1

Where to Buy

TCGPlayerRaw$1.08Raw copies, condition graded by the marketplace

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Raw listings

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