Underground Expedition
Split Earth · #80/88 · Uncommon · 2002JPN
Printings & price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-17
Population data from PriceCharting, updated monthly.
How much is Underground Expedition #80/88 worth?
A raw copy of Underground Expedition #80/88 (Split Earth, 2002) is worth about $22.50 right now, based on the latest market data from November 4, 2026. Across the 2 printings we track, copies run anywhere from $15.00 to $29.99 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $249.98, roughly 11.1x the raw price, while a PSA 9 sits near $60.82. 24 copies have been graded to date, and 67% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.
