Expedition Base Set/#4/165Gembook Valuei·PSA 1As of Jun 15, 2026 · updated daily at 6:00 AM PT
Confidence Limited · weighted median of 3 verified sales
Fair range $75 – $250
Confidence Limited · weighted median of 3 verified sales
Fair range $75 – $250
Blastoise
$163#4552 Overall#431 in Expedition Base Set▲ 17.3%SET · 30D
REVERSE-HOLO · PSA 1G
Price History▲ 200.0%
Details
SetExpedition Base Set
Number4 / 165
Released2002
PSA population18
Price confidenceLimited
Fair range$75 – $250
Last sale$75 · May 13, 2026
Live listings0 · checked daily
Recent sales
3 verified · 8 shownMay 13, 2026eBay$75—
May 2, 2026eBay$250—
Apr 13, 2026eBay$79—
Feb 21, 2026eBay$180—
Feb 16, 2026eBay$150—
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.