Expedition Base Set/#37/165Gembook Valuei·PSA 1As of Jun 15, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 3 verified sales
Fair range $180 – $190
Confidence Limited · weighted median of 3 verified sales
Fair range $180 – $190
Blastoise
$218#3763 Overall#369 in Expedition Base Set▲ 17.3%SET · 30D
REVERSE-HOLO · PSA 1G
Price History▲ 26.7%
Details
SetExpedition Base Set
Number37 / 165
Released2002
PSA population15
Price confidenceLimited
Fair range$180 – $190
Last sale$190 · Apr 7, 2026
Live listings0 · checked daily
Recent sales
3 verified · 3 shownApr 7, 2026eBay$190−$29
Feb 21, 2026eBay$180−$39
Feb 16, 2026eBay$150−$69
Live listings
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How we price this
Gembook Value is the weighted median of 3 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.