Pokémon sets › Base Set [Shadowless] › Imposter Professor Oak [Shadowless]

Base Set [Shadowless] Imposter Professor Oak [Shadowless] Pokémon card

Imposter Professor Oak [Shadowless] #73

Base Set [Shadowless] · 1999 · Rare

Ungraded · UK

£16.60

PSA 10 · UK

£300.37

Ungraded · US

$13.60

PSA 10 · US

$407.00

Low confidence 25th most valuable of 102 priced cards in Base Set [Shadowless]

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 18.1× the ungraded price — £16.60 raw against £300.37 graded.

UK ungraded · 15 readings, May 2026 to Aug 2026 -7.2%

30 days-13.7% 90 days-7.6%

Peaked at £21.22 in June 2026; lowest £12.78 in June 2026. PSA 10 moved -18.1% over a comparable period.

UK price month by month

Month	UK ungraded
May 2026	£17.96
June 2026	£12.78
July 2026	£19.24
August 2026	£16.60

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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