Estimate for one card from a US seller. Buying several cards from the same seller shares one shipping fee. Shipping to Canada varies by seller.
Printings (2)
Once during your turn (before your attack), if you have Unown I, Unown T, Unown E, and Unown M on your Bench, you may search your deck for a Trainer card, show it to your opponent, and put it into your hand. Shuffle your deck afterward. You can't use more than 1 ITEM Poké-Power each turn.
Choose an Energy card attached to the Defending Pokémon and put it face down. Treat that card as a Special Energy card that provides Colorless Energy and doesn't have any effect other than providing Energy. Put that card face up at the end of your opponent's next turn.
- Weakness
- +10
- Retreat
- 1
- Illustrator
- Daisuke Ito
- Pokédex
- #0201
- Format
- Not Standard
- Released
- August 1, 2007
“Shaped like ancient writing, it is a huge mystery whether language or UNOWN came first.”
Price history
- Normal$2.65
- Reverse Holo$10.38
Show as table
| Date | Normal | Reverse Holo |
|---|---|---|
| Nov 2, 2026 | $2.65 | $10.38 |
| Nov 1, 2026 | $2.65 | $10.38 |
| Oct 31, 2026 | $2.65 | $10.38 |
| Oct 30, 2026 | $2.60 | $10.38 |
| Oct 29, 2026 | $2.60 | $10.38 |
| Oct 28, 2026 | $2.60 | $10.38 |
| Oct 27, 2026 | $2.60 | $10.38 |
| Oct 26, 2026 | $2.60 | $10.38 |
| Oct 25, 2026 | $2.60 | $10.38 |
| Oct 24, 2026 | $2.60 | $10.38 |
| Oct 23, 2026 | $2.60 | $10.38 |
| Oct 22, 2026 | $2.60 | $10.38 |
| Oct 21, 2026 | $2.60 | $10.38 |
| Oct 20, 2026 | $2.60 | $10.38 |
| Oct 19, 2026 | $2.60 | $10.38 |
| Oct 18, 2026 | $2.60 | $10.38 |
| Oct 17, 2026 | $2.60 | $10.38 |
| Oct 16, 2026 | $2.60 | $10.38 |
| Oct 15, 2026 | $2.60 | $10.38 |
| Oct 14, 2026 | $2.60 | $10.38 |
| Oct 13, 2026 | $2.58 | $10.38 |
| Oct 12, 2026 | $2.58 | $10.38 |
| Oct 11, 2026 | $2.58 | $10.38 |
| Oct 10, 2026 | $2.58 | $10.38 |
| Oct 9, 2026 | $2.58 | $10.38 |
| Oct 8, 2026 | $2.58 | $10.38 |
| Oct 7, 2026 | $2.58 | $12.02 |
| Oct 6, 2026 | $2.58 | $9.05 |
| Oct 5, 2026 | $2.53 | $9.05 |
| Oct 4, 2026 | $2.53 | $9.05 |
| Oct 3, 2026 | $2.53 | $9.05 |
Showing the last 30 days. Full price history is on Elite and Master
Live on eBay
Other Unown I cards
Market trend
As of Nov 2, 2026 · TCGplayer (US)
- 7 days
- +1.9%
- 30 days
- +4.7%
- vs set · 7D
- +4.1%-2.1 pts vs set
- Volatility (30D) Elite+
- —
| Printing | Price | 1D | 7D | 30D |
|---|---|---|---|---|
| Normal | $2.65 | 0.0% | +1.9% | +4.7% |
| Reverse Holo | $10.38 | 0.0% | 0.0% | +14.7% |
Price history by source · Normal
- TCGplayer
Show as table
| Date | Value | Source |
|---|---|---|
| Nov 2, 2026 | $2.65 | TCGplayer |
| Nov 1, 2026 | $2.65 | TCGplayer |
| Oct 31, 2026 | $2.65 | TCGplayer |
| Oct 30, 2026 | $2.60 | TCGplayer |
| Oct 29, 2026 | $2.60 | TCGplayer |
| Oct 28, 2026 | $2.60 | TCGplayer |
| Oct 27, 2026 | $2.60 | TCGplayer |
| Oct 26, 2026 | $2.60 | TCGplayer |
| Oct 25, 2026 | $2.60 | TCGplayer |
| Oct 24, 2026 | $2.60 | TCGplayer |
| Oct 23, 2026 | $2.60 | TCGplayer |
| Oct 22, 2026 | $2.60 | TCGplayer |
| Oct 21, 2026 | $2.60 | TCGplayer |
| Oct 20, 2026 | $2.60 | TCGplayer |
| Oct 19, 2026 | $2.60 | TCGplayer |
| Oct 18, 2026 | $2.60 | TCGplayer |
| Oct 17, 2026 | $2.60 | TCGplayer |
| Oct 16, 2026 | $2.60 | TCGplayer |
| Oct 15, 2026 | $2.60 | TCGplayer |
| Oct 14, 2026 | $2.60 | TCGplayer |
| Oct 13, 2026 | $2.58 | TCGplayer |
| Oct 12, 2026 | $2.58 | TCGplayer |
| Oct 11, 2026 | $2.58 | TCGplayer |
| Oct 10, 2026 | $2.58 | TCGplayer |
| Oct 9, 2026 | $2.58 | TCGplayer |
| Oct 8, 2026 | $2.58 | TCGplayer |
| Oct 7, 2026 | $2.58 | TCGplayer |
| Oct 6, 2026 | $2.58 | TCGplayer |
| Oct 5, 2026 | $2.53 | TCGplayer |
| Oct 4, 2026 | $2.53 | TCGplayer |
| Oct 3, 2026 | $2.53 | TCGplayer |
Questions & answers
- How much is Unown I worth?
- Unown I (037/123, Mysterious Treasures) is worth about $2.65: the TCGplayer market price of its Normal printing, updated November 2, 2026.
- What printings of Unown I 037/123 exist?
- Unown I 037/123 exists in 2 printings: Normal and Reverse Holo.
- What set is Unown I from?
- Unown I is card 037/123 of Mysterious Treasures (Diamond & Pearl), released on August 1, 2007.
- What rarity is Unown I 037/123?
- Unown I (037/123, Mysterious Treasures) is a Rare card.
- Who illustrated Unown I 037/123?
- The artwork of Unown I (037/123, Mysterious Treasures) is by Daisuke Ito.
Answers are generated from Tallgrass's own catalog and market data.












