Tentacruel #21
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Recent sales
| 1 Oct 2026 | 2004 Light Played Pokemon Tentacruel 021/083 Undone Seal ADV Japanese JapaneseeBay | €3.10 |
| 18 Aug 2026 | HP Pokemon Tentacruel 021/083 Undone Seal ADV Japanese Japanese 021/083eBay | €2.01 |
| 15 Mar 2026 | TENTACRUEL 021/083 UNDONE SEAL JAPANESE POKEMON TCG Japanese 021/083eBay | €1.91 |
| 5 Sept 2025 | Pokemon Tentacruel 21/83 Japanese Undone Seal Near MinteBay | €2.38 |
| 3 May 2025 | 2004 Heavy Played Pokemon Tentacruel 021/083 Undone Seal ADV Japanese JapaneseeBay | €1.68 |
| 22 Apr 2025 | 2004 MP Pokemon Undone Seal 021/083 Tentacruel 1st Ed Japanese Card US SELLER JapaneseeBay | €3.57 |
| 8 Jan 2023 | Pokemon Japanese Tentacruel 21/83 Rare EX Hidden Legends (Undone Seal) 2004 EX 21/83eBay | €3.25 |
Most popular Japanese Undone Seal cards
How much is Tentacruel #21 (Japanese Undone Seal) worth?
As of , an ungraded copy of Tentacruel #21 from Japanese Undone Seal sells for about €2.56 (about $2.87), a PSA 9 for about €4.45 (about $4.99) and a PSA 10 for about €18.28 (about $20.50). These values are based on 10 recent completed sales, the latest on 1 Oct 2026. Ungraded values are up 8% over the last 12 months and PSA 10 values are unchanged. A PSA 10 sells for 7.1× the ungraded price. PSA has graded 3 copies, of which 0 (0%) received a PSA 10.
Prices are market values from completed sales, shown in euros (converted from US dollars) and updated every few hours.
Tentacruel #21 PSA population report
3 copies of Tentacruel #21 (Japanese Undone Seal) have been graded by PSA. 0 are PSA 10 Gem Mint and 0 are PSA 9 Mint, a PSA 10 gem rate of 0%.
| Grade | Copies graded | Share |
|---|---|---|
| PSA 10 | 0 | 0% |
| PSA 9 | 0 | 0% |
| PSA 8 | 1 | 33.3% |
| PSA 7 | 0 | 0% |
| PSA 6 | 2 | 66.7% |
| PSA 5 | 0 | 0% |
| PSA 4 | 0 | 0% |
| PSA 3 | 0 | 0% |
| PSA 2 | 0 | 0% |
| PSA 1 | 0 | 0% |
| Total | 3 | 100% |
Tentacruel #21 FAQ
How much is Tentacruel #21 (Japanese Undone Seal) worth?
Ungraded, Tentacruel #21 (Japanese Undone Seal) is worth about €2.56 (about $2.87). A PSA 9 sells for about €4.45 (about $4.99). A PSA 10 sells for about €18.28 (about $20.50). Based on recent completed sales as of 23 Oct 2026.
What is a PSA 10 Tentacruel #21 worth?
A PSA 10 Gem Mint Tentacruel #21 (Japanese Undone Seal) recently sold for about €18.28 (about $20.50), unchanged over the last 12 months. Its highest monthly PSA 10 value was €18.28 in March 2024.
How many PSA 10 Tentacruel #21 cards are there?
PSA has graded 3 copies of Tentacruel #21 (Japanese Undone Seal). 0 of them are PSA 10, a gem rate of 0%.
Is Tentacruel #21 (Japanese Undone Seal) worth grading?
A PSA 10 sells for about 7.1× the ungraded price (€18.28 vs €2.56). Only 0% of PSA-graded copies reach a 10, so check centering, corners, edges and surface first. The gap is small, so grading fees may outweigh the gain for most copies.
Is Tentacruel #21 (Japanese Undone Seal) going up in value?
Ungraded Tentacruel #21 values are up 8% over the last 12 months and up 19% over the last month. The highest monthly ungraded value was €3.25 in January 2023.
When was Tentacruel #21 (Japanese Undone Seal) released?
Tentacruel #21 was released on January 16, 2004 as part of Japanese Undone Seal, card number #21.