Pokemon Card Value

Tentacruel

Undone Seal · #21 · Japanese

Current market price

$5.03

■ Stable

CardMarket Europe, last sales

Trend

$5.03

Low

$1.09

7-day avg

$4.89

30-day avg

$4.89

Based on current CardMarket data, Tentacruel from Undone Seal trades around $5.03, with recent listings between $1.09 - $4.89. Prices refresh daily from real marketplace sales.

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Graded prices

PriceCharting, from eBay sales (US). Updated Jun 7, 2026

1st Edition

Grade	Price
Raw / ungraded	$18.00

Unlimited

Grade	Price
Raw / ungraded	$2.24
PSA 9
PSA 10

Graded prices are part of CardBeast Pro.Unlock with Pro

Is it worth grading?

Raw / ungraded

$18.00

→

PSA 10

Raw, Tentacruel sells for about $18.00. CardBeast Pro shows the PSA 10 price and the grading math for this card.

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Frequently asked questions

How much is Tentacruel worth?

Tentacruel from Undone Seal is currently worth about $5.03 based on CardMarket data, with recent listings between $1.09 - $4.89. Prices update daily from real sales.

Is Tentacruel worth grading?

Tentacruel sells for about $18.00 raw. Grading pays off only when the PSA 10 price is much higher than the raw price plus the grading cost. CardBeast Pro shows the PSA 10 price for this card.