Seel

Mysterious Mountains · #23/88 · Common · 2002JPN

$10.85

Standard · Market price ▲ 69.8% (1Y)

Prices as of Aug 14, 2026

1st Edition Standard

25graded pop

56%gem rate

20.6×PSA 10 vs raw

0%off ATH $10.85 · Aug 2026

+$147.02EV to grade — worth it

Market data

Printings & price history

Standard$10.85

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Graded market

Graded values

PSA 10 report →updated 2026-08-14

Grade 6 est.$10.31

Grade 5 est.$8.68

Grade 4 est.$7.16

Grade 3 est.$5.97

Grade 2 est.$4.88

Grade 1 est.$4.12

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$308.37

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

Graded population census · updated 2026-07-07

PSA7 graded · 3 gem 10

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Population data from PriceCharting, updated monthly.

How much is Seel #23/88 worth?

A raw copy of Seel #23/88 (Mysterious Mountains, 2002) is worth about $15.00 right now, based on the latest market data from August 14, 2026.

Grading changes the math on this one: a PSA 10 is valued around $308.37, roughly 20.6x the raw price, while a PSA 9 sits near $32.58. 15 copies have been graded to date, and 67% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Seel has moved over time.

Collecting Mysterious Mountains?Full master set guide — every card, chase list, and completion cost→