Expedition Base Set/#20/165Gembook Valuei·PSA 6As of Jun 16, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 5 verified sales
Fair range $159–$200
Confidence Limited · weighted median of 5 verified sales
Fair range $159–$200
Mewtwo
$180#4276 Overall#412 in Expedition Base Set▲ 11.1%SET · 30D
REVERSE-HOLO · PSA 6G
Price History▲ 411.1%
Details
SetExpedition Base Set
Number20 / 165
Released2002
PSA population80
Price confidenceLimited
Fair range$159–$200
Last sale$230 · Apr 20, 2026
Live listings0 · checked daily
Recent sales
5 verified · 5 shownLive 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.