Pokémon · Single card

Muk

Fossil · Base

GrassPokémonStage 1

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Number

28/62

Rarity

Rare

HitBinder Price

~£4.29

Estimate · ungraded

PSA 10

~£393.09

graded · Estimate

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Price by condition

£4.29

£2.88

£1.93

£1.30

£1.05

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

Price history

▼ 8.4%

2026-04-30low £3.23 · high £3.88£3.48

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

Grade analysis

1,314 graded by PSA · 21.4% gem rate

PSA 10

281 · 21.4%

£393.1

PSA 9

552 · 42%

£48.9

PSA 8.5

4 · 0.3%

£18.8

PSA 8

286 · 21.8%

£18.8

PSA 7

95 · 7.2%

£18.8

PSA 6

52 · 4%

£18.8

PSA 5

31 · 2.4%

£18.8

PSA 10 uplift

91.6×

Gem rate

21.4%

Net if it 10s

£363.8

Population and per-grade prices from our price archive · printing: first Edition. “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.	~£393.09	281	21.4%
Unlimited	~£72.44	63	12.5%

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

▼ 26.5% · 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

0.5%

£4.29 of £834.71 across the whole set.

Value rank in set

#30/ 62 priced

Ahead of 32 priced cards in the set.

Price stats

11 weekly snapshots

Low

£4.27

Average

£5.39

High

£6.60

Members selling this

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