Expedition Base Set/#4/165Gembook Valuei·PSA 5As of Jun 16, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 5 verified sales
Fair range $71–$106
Confidence Limited · weighted median of 5 verified sales
Fair range $71–$106
Blastoise
$82#6830 Overall#665 in Expedition Base Set▲ 11.1%SET · 30D
REVERSE-HOLO · PSA 5G
Price History▲ 289.3%
Details
SetExpedition Base Set
Number4 / 165
Released2002
PSA population80
Price confidenceLimited
Fair range$71–$106
Last sale$136 · Mar 29, 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.