Graded values
updated 2026-07-06PSA 10 price history$64.59
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Abilities
BOUNCE
Once during your turn (before your attack), if Unown B is on your Bench, you may flip a coin. If heads, discard all cards attached to any 1 of your Unown and shuffle that Pokémon back into your deck.
Attacks
10Hidden Power
“Shaped like ancient writing, it is a huge mystery whether language or UNOWN came first.”
How much is Unown [B] #66/130 worth?
Unown [B] #66/130 from Diamond & Pearl. It is a Uncommon card released in 2007. Prices update nightly from live market data — check the chart above for the full price history. A PSA 10 copy is currently valued around $64.59, or compare against recent eBay sold listings for graded and raw copies.
![Unown [B] #39 Neo Revelation](https://api.cardprice.com/images/cards/neo3-39.png)
![Unown [B] #66 Diamond and Pearl](https://api.cardprice.com/images/cards/tcg-90200.png)