Pokémon sets › Base Set › Imposter Professor Oak
Imposter Professor Oak #73
Low confidence 27th most valuable of 101 priced cards in Base Set
Rough guide — limited market data — pre-2010 condition spread.
Built from United States market data — recent sales of this card in that market, refreshed weekly.
A PSA 10 of this card sells for about 53.3× the ungraded price — $4.07 raw against $216.78 graded.
We began recording US prices as their own series in August 2026, so there are not yet enough readings to chart a US trend for this card. It will appear here as they accumulate.
US guide prices, with the UK market alongside — updated 31 July 2026. Each market is priced from real market data in that market. Estimates for collection tracking — not an appraisal or a quote.
Check recent US sold prices on eBay →
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