Expedition Base Set/#37/165Gembook Value·PSA 9
Blastoise
$794
Details
Price confidence
SetExpedition Base Set
Number37 / 165
Released2002
PSA population179
Fair range$420–$690
Last sale$700 · Jul 8, 2026
Live listings0 · checked daily
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How we price this
Gembook Value is the weighted median of 6 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.