Tentacool

Undone Seal · #20/83 · Common · 2004JPN

$4.50

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

Prices as of Jul 27, 2026

Unlimited 1st Edition

51graded pop

37%gem rate

-11%off ATH $2.99 · Oct 2023

Printings & price history

1st Edition▲ 0.0% 7d$4.50

Low $1.99Mid $4.50High $7.00

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Graded values

updated 2026-07-26

Grade 6 est.$1.10

Grade 5 est.$0.93

Grade 4 est.$0.77

Grade 3 est.$0.64

Grade 2 est.$0.52

Grade 1 est.$0.44

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

1st Edition · PSA 10 price history$70.00

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

Graded population census · updated 2026-07-08

1st Edition

CGC28 graded · 1 gem 10

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PSA21 graded · 17 gem 10

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Population data from PriceCharting, updated monthly.

How much is Tentacool #20/83 worth?

A raw copy of Tentacool #20/83 (Undone Seal, 2004) is worth about $6.00 right now, based on the latest market data from July 27, 2026. Across the 2 printings we track, copies run anywhere from $1.99 to $7.00 depending on the version you're holding.

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