Unseen Forces Unown Collection is a Pokémon expansion with set code exu. The Trademeup catalog tracks 30 cards from this set. Release date: Aug 22, 2005. Singles from this set currently range from €10.08 to €34.57. The most expensive card tracked right now is Unown at €34.57. Expansions released around the same time: POP Series 2 and Unseen Forces.
