Slowking

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

All 61 Slowking cards ranked by value →
$10.00
Market price 138.6% (1Y)
Prices as of Aug 22, 2026
14graded pop
36%gem rate
35.6×PSA 10 vs raw
-13%off ATH $14.99 · Oct 2023
Market data

Printings & price history

1st Edition$10.00
Low $20.00Mid $20.00High $20.00

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Graded market

Graded values

PSA 10 report →updated 2026-08-21
Grade 6 est.$12.33
Grade 5 est.$10.38
Grade 4 est.$8.57
Grade 3 est.$7.14
Grade 2 est.$5.84
Grade 1 est.$4.93

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$356.21

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

Graded population census · updated 2026-08-16

CGC1 graded · 0 gem 10

Population data from PriceCharting, updated monthly.

More Slowking cards all 61 ranked by value →

How much is Slowking #25/86 worth?

A raw copy of Slowking #25/86 (Holon Research Tower, 2005) is worth about $10.00 right now, based on the latest market data from August 22, 2026.

Grading changes the math on this one: a PSA 10 is valued around $356.21, roughly 35.6x the raw price, while a PSA 9 sits near $117.60. 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