Expedition Base Set/#20/165Gembook Valuei·PSA 1As of Jun 15, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 3 verified sales
Fair range $170 – $240
Confidence Limited · weighted median of 3 verified sales
Fair range $170 – $240
Mewtwo
$229#3649 Overall#344 in Expedition Base Set▲ 20.1%SET · 30D
REVERSE-HOLO · PSA 1G
Price History▲ 166.7%
Details
SetExpedition Base Set
Number20 / 165
Released2002
PSA population23
Price confidenceLimited
Fair range$170 – $240
Last sale$240 · Apr 30, 2026
Live listings0 · checked daily
Recent sales
3 verified · 4 shownApr 30, 2026eBay$240+$11
Apr 21, 2026eBay$199−$30
Apr 17, 2026eBay$170−$59
Apr 24, 2025eBay$90−$139
Live listings
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How we price this
Gembook Value is the weighted median of 3 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.