Unown is card #P of 115 in Unseen Forces (2005), a Rare illustrated by Kyoko Koizumi. At about $39.57 it is the #84 most valuable card in the set. In an Unseen Forces booster it turns up about once every 70 packs. It is one of 96 Unown cards printed so far.
1999Wizards Black Star Promos
2001Neo Discovery
2005Unseen Forces
2007Secret Wonders
2010HeartGold & SoulSilver
2015Ancient Origins
2022Silver Tempest
202630th Celebration

















See the full Unseen Forces card list
An ungraded Unown from Unseen Forces sells for about $39.57. A PSA 10 is worth more, roughly $514 by our estimate, and a PSA 9 around $158.
It is a Rare, and it shows up about once every 70 Unseen Forces packs.
Kyoko Koizumi drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Unseen Forces booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.