Expedition Base Set/#4/165Gembook Valuei·PSA 10As of Jun 16, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 4 verified sales
Fair range $1,500–$3,100
Confidence Limited · weighted median of 4 verified sales
Fair range $1,500–$3,100
Blastoise
$3,565#393 Overall#12 in Expedition Base Set▲ 11.1%SET · 30D
REVERSE-HOLO · PSA 10G
Price History▲ 928.6%
Details
SetExpedition Base Set
Number4 / 165
Released2002
PSA population17
Price confidenceLimited
Fair range$1,500–$3,100
Last sale$5,400 · Jun 6, 2026
Live listings0 · checked daily
Recent sales
4 verified · 5 shownLive listings
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How we price this
Gembook Value is the weighted median of 4 verified eBay sales. Shill bids, unpaid items, and outliers are filtered out — the numbers you see actually cleared.