Expedition Base Set/#37/165Gembook Valuei·PSA 8As of Jun 14, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 5 verified sales
Fair range $299 – $322
Confidence Limited · weighted median of 5 verified sales
Fair range $299 – $322
Blastoise
$370#2458 Overall#213 in Expedition Base Set▲ 20.1%SET · 30D
REVERSE-HOLO · PSA 8G
Price History▲ 144.0%
Details
SetExpedition Base Set
Number37 / 165
Released2002
PSA population167
Price confidenceLimited
Fair range$299 – $322
Last sale$366 · Jun 7, 2026
Live listings0 · checked daily
Recent sales
5 verified · 7 shownJun 7, 2026eBay$366−$4
May 23, 2026eBay$322−$48
Mar 7, 2026eBay$243−$127
Feb 19, 2026eBay$170−$200
Feb 14, 2026eBay$299−$71
Live listings
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How we price this
Gembook Value is the weighted median of 5 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.