Underground Expedition

Split Earth · #80/88 · Uncommon · 2002JPN

$5.00

Standard · Market price ▼ 53.2% (1Y)

Prices as of Jul 26, 2026

1st Edition Standard

40graded pop

70%gem rate

19.8×PSA 10 vs raw

-53%off ATH $10.68 · Jun 2024

+$121.45EV to grade — worth it

Printings & price history

Standard$5.00

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Graded values

updated 2026-07-26

Grade 6 est.$4.75

Grade 5 est.$4.00

Grade 4 est.$3.30

Grade 3 est.$2.75

Grade 2 est.$2.25

Grade 1 est.$1.90

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$197.77

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-08

PSA7 graded · 5 gem 10

12345678910

CGC4 graded · 3 gem 10

12345678910

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 $9.99 right now, based on the latest market data from July 26, 2026. Across the 2 printings we track, copies run anywhere from $14.00 to $29.99 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $197.77, roughly 19.8x the raw price, while a PSA 9 sits near $60.00. 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.