Professor Sycamore #114

Steam Siege · 2016 · Rare Ultra

Medium confidence 9th most valuable of 210 priced cards in Steam Siege — top 4%

Estimated from recent UK sales — 15 recent UK sale(s).

Read directly from the UK market — 15 recent listings for this exact card, refreshed weekly.

A PSA 10 of this card sells for about 11.5× the ungraded price — £9.80 raw against £113.01 graded.

UK guide prices, with the US market alongside — updated 19 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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