Pokémon Undone Seal: 20 most valuable cards
Updated 15 Oct 2026 · market value in Europe and the USA
The whole set is worth €986 in Europe and $550 in the USAOne near-mint copy of every card with a value.
| Rank | Card | Price | |
|---|---|---|---|
| 1 |  Registeel ex (レジスチルex)#72 · Rare Holo ex | Rare Holo ex | €135 |
| 2 |  Regirock ex (レジロックex)#55 · Rare Holo ex | Rare Holo ex | €95.28 |
| 3 |  Ninetales ex (キュウコンex)#18 · Rare Holo ex | Rare Holo ex | €93.27 |
| 4 |  Regice ex (レジアイスex)#38 · Rare Holo ex | Rare Holo ex | €74.23 |
| 5 |  Groudon ex (グラードンex)#56 · Rare Holo ex | Rare Holo ex | €73.84 |
| 6 |  Kyogre ex (カイオーガex)#39 · Rare Holo ex | Rare Holo ex | €56.24 |
| 7 |  Metagross ex (メタグロスex)#71 · Rare Holo ex | Rare Holo ex | €39.08 |
| 8 |  Vileplume ex (ラフレシアex)#5 · Rare Holo ex | Rare Holo ex | €34.07 |
| 9 |  Ninetales (キュウコン)#17 · レアホロ | レアホロ | €30.17 |
| 10 |  Milotic (ミロカロス)#25 · レアホロ | レアホロ | €28.79 |
| 11 |  Wigglytuff ex (プクリンex)#58 · Rare Holo ex | Rare Holo ex | €26.39 |
| 12 |  Banette (ジュペッタ)#47 · レアホロ | レアホロ | €19.37 |
| 13 |  Machamp (カイリキー)#51 · レアホロ | レアホロ | €19.06 |
| 14 |  Heracross (ヘラクロス)#9 · レアホロ | レアホロ | €19.03 |
| 15 |  Exploud (バクオング)#64 · レアホロ | レアホロ | €17.15 |
| 16 |  Pinsir (カイロス)#6 · レアホロ | レアホロ | €12.32 |
| 17 |  Masquerain (アメモース)#12 · レアホロ | レアホロ | €10.41 |
| 18 |  Bellossom (キレイハナ)#8 · 希少 | 希少 | €9.93 |
| 19 |  Crobat (クロバット)#7 · レアホロ | レアホロ | €8.89 |
| 20 |  Medicham (チャーレム)#54 · レアホロ | レアホロ | €7.88 |
| Rank | Card | Price | 7 days | |
|---|---|---|---|---|
| 1 | Registeel ex (レジスチルex)#72 · Rare Holo ex | Rare Holo ex | $70.00 | |
| 2 | Metagross ex (メタグロスex)#71 · Rare Holo ex | Rare Holo ex | $50.00 | |
| 3 | Milotic (ミロカロス)#25 · レアホロ | レアホロ | $44.95 | |
| 4 | Wigglytuff ex (プクリンex)#58 · Rare Holo ex | Rare Holo ex | $40.00 | |
| 5 | Ninetales (キュウコン)#17 · レアホロ | レアホロ | $30.00 | |
| 6 |  Claydol (ネンドール)#45 · レアホロ | レアホロ | $30.00 | |
| 7 |  Electrode (マルマイン)#41 · レアホロ | レアホロ | $27.99 | +69.7% |
| 8 | Vileplume ex (ラフレシアex)#5 · Rare Holo ex | Rare Holo ex | $24.99 | |
| 9 |  Sunny Castform (太陽のポワルン)#19 · 希少 | 希少 | $19.99 | +166.9% |
| 10 | Crobat (クロバット)#7 · レアホロ | レアホロ | $19.95 | |
| 11 |  Spinda (パッチール)#65 · 希少 | 希少 | $19.00 | |
| 12 | Pinsir (カイロス)#6 · レアホロ | レアホロ | $15.00 | |
| 13 |  Starmie (スターミー)#44 · 希少 | 希少 | $12.50 | |
| 14 |  Staryu (ヒトデマン)#22 · 通常 | 通常 | $12.00 | |
| 15 |  Relicanth (ジーランス)#36 · レアホロ | レアホロ | $10.00 | |
| 16 |  Gorebyss (サクラビス)#35 · レアホロ | レアホロ | $9.99 | |
| 17 |  Chinchou (チョンチー)#42 · 通常 | 通常 | $9.00 | |
| 18 |  Walrein (トドゼルガ)#32 · レアホロ | レアホロ | $8.26 | |
| 19 |  Oddish (ナゾノクサ)#3 · 通常 | 通常 | $8.00 | |
| 20 |  Vulpix (ロコン)#16 · 通常 | 通常 | $8.00 |
Questions about Pokémon Undone Seal
- What is the most valuable card in Pokémon Undone Seal?
- Registeel ex (レジスチルex) (#72) is the most valuable card in Pokémon Undone Seal: €135 in Europe and $70.00 in the USA.
- How much is the whole Pokémon Undone Seal set worth?
- One near-mint copy of each of the 80 cards in Pokémon Undone Seal that has a value is worth about €986 in Europe and $550 in the USA, as of 15 Oct 2026.