Base/#73/102Gembook Valuei·PSA 9As of Jun 11, 2026 · updated daily at 6:00 AM PT
Confidence Moderate · weighted median of 5 verified sales
Fair range $209 – $250
Confidence Moderate · weighted median of 5 verified sales
Fair range $209 – $250
Impostor Professor Oak
$250#3378 Overall#407 in Base▲ 8.9%SET · 30D
1ST EDITION · PSA 9G
Price History▲ 253.2%
Details
SetBase
Number73 / 102
Released1999
PSA population549
Price confidenceModerate
Fair range$209 – $250
Last sale$250 · Jun 3, 2026
Live listings1 · checked daily
Recent sales
5 verified · 16 shownJun 3, 2026eBay$250+$0
May 17, 2026Other$312+$62
May 6, 2026eBay$300+$50
Apr 27, 2026eBay$209−$41
Apr 23, 2026eBay$150−$100
Live listings
1 live eBay listing — see the Listings page.
How we price this
Gembook Value is the weighted median of 5 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.