Expedition Base Set/#37/165Gembook Valuei·PSA 5As of Jun 14, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 2 verified sales
Fair range $155 – $229
Confidence Limited · weighted median of 2 verified sales
Fair range $155 – $229
Blastoise
$192#4053 Overall#386 in Expedition Base Set▲ 20.1%SET · 30D
REVERSE-HOLO · PSA 5G
Price History▲ 48.1%
Details
SetExpedition Base Set
Number37 / 165
Released2002
PSA population58
Price confidenceLimited
Fair range$155 – $229
Last sale$229 · May 12, 2026
Live listings0 · checked daily
Recent sales
2 verified · 2 shownMay 12, 2026eBay$229—
Apr 20, 2026eBay$155—
Live listings
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How we price this
Gembook Value is the weighted median of 2 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.