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PSA 10: PriceCharting; refreshed Sep 10, 2026
GemDelta shows Imposter Professor Oak (Base Set #73) at $45.00 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 21.0x.
A PSA 10 Imposter Professor Oak (Base Set #73) is currently shown at $944. GemDelta labels this as an unverified PriceCharting guide fallback rather than verified recent sales.
GemDelta records a 20.5% gem rate for Imposter Professor Oak (Base Set #73), with 183 PSA 10 copies out of 892 total PSA grades and a 21.0x Delta. That describes the grading profile; it is not financial advice.