Pokémon · Single card

Muk

Fossil · Base

GrassPokémonStage 1

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Number

13/62

Rarity

Rare Holo

HitBinder Price

~£6.50

Estimate · ungraded

PSA 10

~£339.97

graded · Firm

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Price by condition

£6.50

£4.44

£2.90

£2.26

£1.44

NM is the HitBinder Price; the rest use real per-condition ratios from our price archive.

Price history

▲ 10.9%

2026-04-30low £7.50 · high £8.82£8.36

— — PSA 10 shown on its own scale (a slab often trades many times raw).

Grade analysis

8,310 graded by PSA · 3.5% gem rate

PSA 10

290 · 3.5%

£340.0

PSA 9

2,158 · 26%

£51.3

PSA 8.5

26 · 0.3%

£26.0

PSA 8

2,400 · 28.9%

£26.0

PSA 7

1,412 · 17%

£20.4

PSA 6

996 · 12%

£13.1

PSA 5.5

—

£11.2

PSA 5

630 · 7.6%

£11.2

PSA 10 uplift

52.3×

Gem rate

3.5%

Net if it 10s

£308.5

Population and per-grade prices from our price archive · printing: unlimited Holofoil. “Net if it 10s” assumes a ~£25 grading cost and is not a guarantee — the gem rate is the odds it actually grades a 10.

PSA 10 by printing

Vintage printings grade very differently — check which one you hold.

Printing	PSA 10	Pop	Gem rate
1st Ed.	~£1,052.06	489	13.1%
Unlimited	~£339.97	290	3.5%

The HitBinder Price is our trust-weighted estimate (archive blend), shown in your chosen display currency (switch it top-right); PSA 10 reflects recent graded sales. Indicative, not quotes — condition, grading and printing variance apply.

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Price trend

▼ 19.3% · 11 wks

Card details

HP 70Evolves from GrimerRetreat 2Weakness Psychic ×2

Pokémon Power · Toxic Gas

Ignore all Pokémon Powers other than Toxic Gases. This power stops working while Muk is Asleep, Confused, or Paralyzed.

Sludge

Flip a coin. If heads, the Defending Pokémon is now Poisoned.

Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

Illustrated by Mitsuhiro Arita

Fossil

Base · 62 cards · 1999-10-10

Card analytics

Market snapshot

Supply & demand

0for sale

0wanting

No members selling or wanting this yet.

Share of set value

0.8%

£6.50 of £834.71 across the whole set.

Value rank in set

#24/ 62 priced

Ahead of 38 priced cards in the set.

Price stats

11 weekly snapshots

Low

£4.57

Average

£6.02

High

£8.05

Members selling this

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