Pokémon sets › Steam Siege › Amoonguss [Reverse Holo]

Steam Siege Amoonguss [Reverse Holo] Pokémon card

Amoonguss [Reverse Holo] #13

Steam Siege · 2016 · Rare

Ungraded · UK

£0.44

PSA 10 · UK

£24.41

Ungraded · US

$0.47

PSA 10 · US

$33.08

Medium confidence 138th most valuable of 210 priced cards in Steam Siege

Solid guide price from market data — liquid, well-sampled card, low-value, bulk-traded.

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 55.5× the ungraded price — £0.44 raw against £24.41 graded.

UK ungraded · 15 readings, May 2026 to Aug 2026 -2.2%

30 days-13.7% 90 days-2.2%

Peaked at £0.57 in July 2026; lowest £0.43 in August 2026. PSA 10 moved -0.3% over a comparable period.

UK price month by month

Month	UK ungraded
May 2026	£0.45
June 2026	£0.45
July 2026	£0.51
August 2026	£0.44

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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