Rarity: Uncommon
HP: 50
Stage: Basic
Type: Pokemon
Energy
Weakness: +10
Retreat
Artist: Nakaoka
Ability: Poké-POWERBOUNCE
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: Hidden Power
10
Flavor: NO. 201 Symbol Pokémon HT: 1'08" WT: 11.0 lbs. Shaped like ancient writing, it is a huge mystery whether language or UNOWN came first.

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Unown [B] #66

Diamond and Pearl · Uncommon

Unown [B] #66 has a TCGplayer market price of $1.52 (Near Mint, Normal). Cardmarket lists it at €0.50 (Excellent, Normal).

Market prices

Updated Oct 19, 2026

Near Mint$1.52

Lightly Played$0.74

Moderately Played$0.74

Heavily Played$0.45

Damaged$0.58

Updated Oct 19, 2026

Excellent€0.50

Good€0.10

Light Played€0.02

Played€0.05

Poor€0.10

These open on eBay through affiliate links. If you buy, we earn a commission.

Date	Price	Grader	Grade	Link
Oct 16, 2026	$2.84	—	—	View
Oct 15, 2026	$1.53	—	—	View
Oct 13, 2026	$1.69	—	—	View
Oct 11, 2026	$3.00	—	—	View
Oct 10, 2026	$1.31	—	—	View
Oct 10, 2026	$0.99	—	—	View
Oct 9, 2026	$3.00	—	—	View
Oct 6, 2026	$3.79	—	—	View
Oct 5, 2026	$1.99	—	—	View
Oct 4, 2026	$79.99	CGC	10	View
Oct 4, 2026	$3.47	—	—	View
Oct 4, 2026	$0.99	—	—	View
Sep 27, 2026	$1.95	—	—	View
Sep 23, 2026	$3.50	—	—	View
Sep 22, 2026	$3.99	—	—	View
Sep 21, 2026	$1.20	—	—	View
Sep 20, 2026	$39.00	CGC	10	View
Sep 17, 2026	$2.85	—	—	View
Sep 14, 2026	$2.99	—	—	View
Sep 13, 2026	$1.79	—	—	View

The top of Diamond and Pearl by market price today.