Pokémon sets › Great Encounters › Slowbro [Reverse Holo]

Great Encounters Slowbro [Reverse Holo] Pokémon card

Slowbro [Reverse Holo] #54

Great Encounters · 2008 · Uncommon

Ungraded · UK

£18.92

PSA 10 · UK

£312.91

Ungraded · US

$18.50

PSA 10 · US

$424.00

Medium confidence 19th most valuable of 210 priced cards in Great Encounters — top 9%

Solid guide price from market data — pre-2010 condition spread, liquid, well-sampled card.

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 16.5× the ungraded price — £18.92 raw against £312.91 graded.

UK ungraded · 16 readings, May 2026 to Aug 2026 +170.7%

30 days+77.8% 90 days+103.9%

Peaked at £18.92 in August 2026; lowest £6.99 in May 2026. PSA 10 moved +142.1% over a comparable period.

UK price month by month

Month	UK ungraded
May 2026	£9.28
June 2026	£10.14
July 2026	£10.64
August 2026	£18.92

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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