Pokémon sets › Gym Challenge [1st-Edition] › Koga's Muk [1st-Edition]

Gym Challenge [1st-Edition] Koga's Muk [1st-Edition] Pokémon card

Koga's Muk [1st-Edition] #26

Gym Challenge [1st-Edition] · 2000 · Rare

Ungraded · UK

£20.20

PSA 10 · UK

£148.71

Ungraded · US

$16.55

PSA 10 · US

$201.50

Low confidence 47th most valuable of 132 priced cards in Gym Challenge [1st-Edition]

Rough guide — limited market data — pre-2010 condition spread.

Priced against the UK market and refreshed weekly — adjusted where UK collectors reliably pay above the US average. We have not yet seen enough recent UK activity for this card to read it directly.

A PSA 10 of this card sells for about 7.4× the ungraded price — £20.20 raw against £148.71 graded.

UK ungraded · 17 readings, May 2026 to Aug 2026 -16.3%

30 days+20.2% 90 days-16.6%

Peaked at £24.21 in May 2026; lowest £16.70 in June 2026. PSA 10 moved +12.8% over a comparable period.

UK price month by month

Month	UK ungraded
May 2026	£24.21
June 2026	£16.85
July 2026	£16.80
August 2026	£20.20

UK guide prices, with the US market alongside — updated 30 August 2026. Each market is priced from real market data in that market. Estimates for collection tracking — not an appraisal or a quote.

Check recent UK sold prices on eBay →

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