Imposter Professor Oak
Promo Card Pack 25th Anniversary Edition · #4/25 · 2021JPN
Price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-18
Population data from PriceCharting, updated monthly.
How much is Imposter Professor Oak #4/25 worth?
Right now (October 20, 2026) the going rate for an ungraded Imposter Professor Oak #4/25 from Promo Card Pack 25th Anniversary Edition is about $3.70.
Grading changes the math on this one: a PSA 10 is valued around $45.31, roughly 12.2x the raw price, while a PSA 9 sits near $19.99. 2,774 copies have been graded to date, and 94% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.
