Slowking

Holon Research Tower · #25/86 · Rare · 2005JPN

$7.30

1st Edition · Market price ▲ 0.0% (1Y)

Prices as of Aug 14, 2026

Standard 1st Edition

14graded pop

36%gem rate

-1%off ATH $13.20 · Jul 2026

Market data

Printings & price history

1st Edition$7.30

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Graded market

Graded values

updated 2026-08-14

Grade 6 est.$6.94

Grade 5 est.$5.84

Grade 4 est.$4.82

Grade 3 est.$4.02

Grade 2 est.$3.29

Grade 1 est.$2.77

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

1st Edition · Grade 9.5 price history$27.00

Grade 9.5 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-03

1st Edition

PSA10 graded · 4 gem 10

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CGC3 graded · 1 gem 10

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Population data from PriceCharting, updated monthly.

How much is Slowking #25/86 worth?

A raw copy of Slowking #25/86 (Holon Research Tower, 2005) is worth about $13.04 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 $356.56, roughly 27.3x the raw price, while a PSA 9 sits near $117.82. 10 copies have been graded to date, and 40% 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 Slowking has moved over time.

Collecting Holon Research Tower?Full master set guide — every card, chase list, and completion cost→