Unown [K] (Secret Wonders) — Pokémon Card Value

Which version do you have?

For the absolute cheapest way to own Unown, grab the N, O, or K version for just $1. The S and X versions command a higher price ($3) because they are likely the most sought-after or represent a more desirable print run. If budget is tight, stick to the $1 options. Only pay for the premium versions if you specifically want that particular edition or rarity.