Pokémon sets › Steam Siege › Monferno

Monferno #19

Steam Siege · 2016 · Uncommon

Ungraded · UK

£0.30

PSA 10 · UK

£15.71

Ungraded · US

$0.40

PSA 10 · US

$21.29

Low confidence 164th most valuable of 210 priced cards in Steam Siege

Rough guide — limited market data — lower-demand 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 52.4× the ungraded price — £0.30 raw against £15.71 graded.

UK ungraded · 15 readings, May 2026 to Aug 2026 -30.2%

30 days-21.1% 90 days-30.2%

Peaked at £0.43 in May 2026; lowest £0.18 in June 2026. PSA 10 moved -0.4% over a comparable period.

UK price month by month

Month	UK ungraded
May 2026	£0.43
June 2026	£0.18
July 2026	£0.38
August 2026	£0.30

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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