Expedition Base Set/#20/165Gembook Valuei·PSA 6As of Jun 14, 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#4233 Overall#402 in Expedition Base Set▲ 20.1%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 · 8 shownApr 20, 2026eBay$230—
Mar 16, 2026eBay$170—
Feb 21, 2026eBay$200—
Jan 31, 2026eBay$84—
Jan 21, 2026eBay$159—
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.