Expedition Base Set/#4/165Gembook Value·PSA 1
Blastoise
$79
Details
Price confidence
SetExpedition Base Set
Number4 / 165
Released2002
PSA population22
Fair range$79–$260
Last sale$260 · Aug 19, 2026
Live listings0 · checked daily
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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.