Unown [M] 66/123, Mysterious Treasures Pokémon card

Uncommon2007Diamond & Pearl era

Unown [M]Mysterious Treasures 66/123 price & value

Ungraded · near mint

Strong data

$1.15

Typical range $1.15 – $1.928 sold in the last 90 days

PSA 10: $66.65

Prices updated today · How we price cards

Ungraded price by printing

Non-holo$1.15
Reverse holo$4.95

Current marketplace price for each printing. The headline value above blends sold prices across printings.

About this card

As of Sep 28, 2026, Unown [M] 66/123 from Mysterious Treasures is worth about $1.15 ungraded in near-mint condition and $66.65 graded PSA 10. That value is based on 8 recorded sales in the last 90 days.

Unown [M] is card 66 of 123 in the Mysterious Treasures price guide, a set released in August 2007 during the Diamond & Pearl era. Its rarity is Uncommon. The artwork is by Kazuyuki Kano. In the checklist it sits after Unown [E] 65/123 and before Unown [T] 67/123.

It is the 56th most valuable of the 124 priced cards in Mysterious Treasures, behind Lucario LV.X 122/123 (see the most valuable Mysterious Treasures cards). A PSA 10 copy is valued at about 58× the ungraded price, so condition matters a lot for this card.

It is one of 96 English Unown cards, and ranks 87th among them by ungraded value; the most valuable is Unown from Unseen Forces. Compare them all in the most valuable Unown cards.

Price history

Sep 27Dec 28Mar 29Jun 29Sep 28

Now: $1.15
4 weeks: +2.7%
90 days: −23%
1 year: −36%
Highest: $2.62
Lowest: $1.00

Recorded history starts March 2021. Earlier history is monthly averages; from July 22, 2026 the line is a 7-day average of daily prices, so single-day swings don’t show.

Matched sold listings

Recent sales

8 on record

RawUNOWN [M] 66/123 UC MYSTERIOUS TREASURES POKEMON MPSep 11, 2026 · eBay · Listed as moderately played · View listing$2.23
RawUnown [M] 66/123 Uncommon Mysterious Treasures Pokemon LPSep 9, 2026 · eBay · Listed as lightly played · View listing$2.49
RawUnown [M] 66/123 Uncommon Mysterious Treasures Pokemon MPSep 9, 2026 · eBay · Listed as moderately played · View listing$2.49
RawUnown [M] 66/123 Uncommon Mysterious Treasures Pokemon NM/LPSep 5, 2026 · eBay · Listed as lightly played · View listing$2.99
RawUnown [M] 66/123 Uncommon Mysterious Treasures Pokemon Lightly PlayedAug 10, 2026 · eBay · Listed as lightly played · View listing$2.68
RawUnown [M] 66/123 Uncommon Mysterious Treasures Pokemon Lightly PlayedAug 8, 2026 · eBay · Listed as lightly played · View listing$1.90
RawPokemon Card - Unown [M] 66/123 Mysterious Treasures Uncommon Lightly PlayedAug 7, 2026 · eBay · Listed as lightly played · View listing$1.99
RawUnown [M] 66/123 Uncommon Mysterious Treasures Pokemon Near MintAug 4, 2026 · eBay · Listed as near mint · View listing$3.03

Sold prices, not asking prices. Listings that bundle several cards, or name a different card number, are left out. Sales record updated Sep 27, 2026.

Card details

Set: Mysterious Treasures
Number: 66/123
Rarity: Uncommon
Released: Aug 1, 2007
Era: Diamond & Pearl
Pokémon: Unown
Pokédex no.: #0201
Illustrator: Kazuyuki Kano
Printings: Non-holo, Reverse holo

Explore further

Mysterious Treasures

Other Unown cards in this set

Same Pokémon

Most valuable Unown cards

All 96

Before this set

Earlier versions

After this set

Later versions

Next in the binder

Nearby in Mysterious Treasures

Full checklist

Mysterious Treasures

Chase cards from this set

Full ranking

Common questions

How much is Unown [M] 66/123 Mysterious Treasures worth?

As of Sep 28, 2026, Unown [M] 66/123 Mysterious Treasures is worth about $1.15 ungraded in near-mint condition. Recent prices range from $1.15 to $1.92. A PSA 10 copy is worth about $66.65. How we price cards.

How much is a PSA 10 Unown [M] 66/123 worth?

A PSA 10 Unown [M] 66/123 Mysterious Treasures is worth about $66.65. That is about 58× the ungraded value.

How often does Unown [M] 66/123 sell?

Unown [M] 66/123 Mysterious Treasures recorded 8 sales in the last 90 days (4 in the last 30), most recently on Sep 11, 2026. The highest recent sale was $3.03 for an ungraded copy on Aug 4, 2026.

What is the most valuable card in Mysterious Treasures?

The most valuable card in Mysterious Treasures is Lucario LV.X 122/123, at about $118 ungraded. Unown [M] 66/123 ranks 56th of 124. See the full Mysterious Treasures ranking.

What set is Unown [M] 66/123 from?

Unown [M] 66/123 is from the English Pokémon TCG set Mysterious Treasures, released Aug 1, 2007, in the Diamond & Pearl era. Its rarity is Uncommon.