How much is Unown O/28 worth?

About $53.19 (Cardmarket trend €47.61 converted, 2026-10-31). Graded copies sell for more.

What set is Unown O/28 from?

Unseen Forces Unown Collection (EX), released August 22, 2005.

Is Unown the most valuable card in Unseen Forces Unown Collection?

No, it is the 3rd most valuable of the 28 cards; the top card is Unown A at $459.

Pokémon sets › Unseen Forces Unown Collection › Unown

Illus. Nakaoka · © Pokémon / Nintendo / Creatures / GAME FREAK. Shown for identification.

Unown O/28

Unseen Forces Unown Collection · Rare · illustrated by Nakaoka

$53.19Cardmarket trend €47.61 in USD, 2026-10-31

+59%last 30 days (Cardmarket trend vs 30-day average)

#3 of 28most valuable in Unseen Forces Unown Collection

TCGplayer eBay Graded on eBay

What Unown O is worth

Unown O/28 sells for about $53.19 ungraded in near-mint condition. It is the 3rd most valuable card in Unseen Forces Unown Collection, and alone makes up 5% of what one copy of every card in the set costs. The typical (median) Rare in this set goes for $18.95, so this card sells at 2.8 times that. Among all 94 Unown cards, it ranks 4th by price. On Cardmarket its price has risen 59% against its 30-day average.

Unown price by printing

Printing	Price	Source
Any printing (Europe)	$53.19 €47.61	Cardmarket trend
Cheapest listing (Europe)	$15.63 €13.99	Cardmarket low

Recent Unown sales

Average sale price (Cardmarket)	USD	EUR
Last 30 days	$33.52	€30
Last 7 days	$56.22	€50.32
Last day	$246	€220

Euro prices converted at the European Central Bank rate of 2026-10-30 (1 EUR = 1.1172 USD).

Unown card details

Set	Unseen Forces Unown Collection (EX)
Number	O/28
Rarity	Rare
Card type	Basic Psychic
HP	60
Abilities	Shuffle (Poke-POWER)
Attacks	Hidden Power Psychic, Colorless · 20 damage
Weakness	Psychic ×2
Retreat cost	1
Illustrator	Nakaoka
Released	August 22, 2005
Printings	Holo

How to tell you have this card

Look at the bottom of the card: it should read O/28, and the rarity is Rare. The illustrator credit reads Nakaoka. Not sure which set your card is from? Compare the symbol with our set symbol guide.

Other Unown cards

Unown $459
Unseen Forces Unown Collection A

Unown [A] 14 Neo Discovery — **Unown [A]** $84.99
Neo Discovery 14

Unown $53.19
Unseen Forces Unown Collection !

Unown [H] 28 Neo Destiny — **Unown [H]** $44.83
Neo Destiny 28

Unown $43.46
Unseen Forces Unown Collection %3F

Unown [W] 29 Neo Destiny — **Unown [W]** $41.01
Neo Destiny 29

Unown ? 82 Legends Awakened — **Unown ?** $34.60
Legends Awakened 82

Unown ! 42 Legends Awakened — **Unown !** $32.77
Legends Awakened 42

All 94 Unown cards with prices →

More valuable Unseen Forces Unown Collection cards

Unown A: $459
Unown !: $53.19
Unown %3F: $43.46
Unown P: $29.52
Unown Z: $29.52
Unown J: $29.40
Unown M: $26.78
Unown V: $26.78

All Unseen Forces Unown Collection chase cards → · Full Unseen Forces Unown Collection card list

Prices in US dollars: TCGplayer market prices (via pokemontcg.io) where recent, otherwise the Cardmarket trend (via TCGdex) converted at the day's ECB rate. Ungraded, near-mint. Prices change daily; check the live listing before you buy or sell.