Expedition Base Set/#4/165Gembook Valuei·PSA 4As of Jun 14, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 4 verified sales
Fair range $105 – $160
Confidence Limited · weighted median of 4 verified sales
Fair range $105 – $160
Blastoise
$133#5163 Overall#498 in Expedition Base Set▲ 20.1%SET · 30D
REVERSE-HOLO · PSA 4G
Price History▲ 243.8%
Details
SetExpedition Base Set
Number4 / 165
Released2002
PSA population30
Price confidenceLimited
Fair range$105 – $160
Last sale$138 · May 10, 2026
Live listings0 · checked daily
Recent sales
4 verified · 6 shownMay 10, 2026eBay$138—
Mar 21, 2026eBay$105—
Mar 10, 2026eBay$160—
Sep 10, 2025eBay$50—
Apr 26, 2025eBay$40—
Live listings
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How we price this
Gembook Value is the weighted median of 4 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.