Expedition Base Set/#37/165Gembook Valuei·PSA 4As of Jun 15, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 1 verified sales
Fair range $160 – $160
Confidence Limited · weighted median of 1 verified sales
Fair range $160 – $160
Blastoise
$160#4615 Overall#438 in Expedition Base Set▲ 17.3%SET · 30D
REVERSE-HOLO · PSA 4G
Price History—
No verified sales in this range — last sale $160 on Mar 10.
Details
SetExpedition Base Set
Number37 / 165
Released2002
PSA population18
Price confidenceLimited
Fair range$160 – $160
Last sale$160 · Mar 10, 2026
Live listings0 · checked daily
Recent sales
1 verified · 1 shownMar 10, 2026eBay$160—
Live listings
No live listings right now. New eBay listings for this card appear here within a day of going up.
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How we price this
Gembook Value is the weighted median of 1 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.