Base/#88/102Gembook Valuei·PSA 9As of Jun 11, 2026 · updated daily at 6:00 AM PT
Confidence Moderate · weighted median of 5 verified sales
Fair range $160 – $197
Confidence Moderate · weighted median of 5 verified sales
Fair range $160 – $197
Professor Oak
$186#4115 Overall#475 in Base▲ 2.1%30D
1ST EDITION · PSA 9G
Price History▲ 52.6%
Details
SetBase
Number88 / 102
Released1999
PSA population605
Price confidenceModerate
Fair range$160 – $197
Last sale$186 · May 31, 2026
Live listings0 · checked daily
Recent sales
5 verified · 13 shownMay 31, 2026eBay$186+$0
May 24, 2026eBay$197+$11
May 7, 2026eBay$215+$29
May 1, 2026eBay$160−$26
Apr 11, 2026eBay$135−$51
Live listings
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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.