Tentacruel
Undone Seal · Pokemon · #021 · Rare
Tentacruel (#021) is a Rare card from the Undone Seal set in Pokemon. Its current raw market value is $2.23, last updated April 22, 2026. A PSA 10 graded copy runs about $20.50 — roughly 9.2× the raw price. It ranks #46 of 53 priced cards in Undone Seal by market value.
Market Price
Source: pricecharting · Updated April 22, 2026
Graded Prices
Card Details
- Game
- Pokemon
- Set
- Undone Seal
- Card Number
- 021
- Rarity
- Rare
- Language
- Japanese
Frequently asked questions
How much is Tentacruel worth?
Tentacruel from Undone Seal (Pokemon) has a current raw market price of $2.23, last updated April 22, 2026. A PSA 10 graded copy is worth about $20.50.
Is Tentacruel worth grading?
A PSA 10 Tentacruel is valued around $20.50 versus $2.23 raw — a premium of roughly 9.2×. Grading tends to pay off when that premium comfortably exceeds grading costs and the card is likely to earn a high grade.
Where can I buy or sell Tentacruel?
You can view current Tentacruel listings on TCGPlayer. VendBuddy tracks live Pokemon market prices so card show vendors can confidently buy and sell Tentacruel and thousands of other cards.
