Expedition Base Set/#20/165Gembook Valuei·PSA 7As of Jun 15, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 8 verified sales
Fair range $174–$250
Confidence Limited · weighted median of 8 verified sales
Fair range $174–$250
Mewtwo
$288#3085 Overall#292 in Expedition Base Set▲ 17.3%SET · 30D
REVERSE-HOLO · PSA 7G
Price History▲ 400.0%
Details
SetExpedition Base Set
Number20 / 165
Released2002
PSA population97
Price confidenceLimited
Fair range$174–$250
Last sale$250 · Mar 30, 2026
Live listings0 · checked daily
Recent sales
8 verified · 5 shownLive listings
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How we price this
Gembook Value is the weighted median of 8 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.