This is Pokémon Card Promo, available only in Korea. Below is a limited event where this card was distributed at the time.

Celebrating the 2010 Pokémon Spring Event (10.05.01-02), Celebrating the LG Twins baseball team Children's Day Special Event (10.05.05), Celebrating the Visit to Pokémon Story (10.05.12-06.20), and Participating in the Pokémon Card Game Player Event (10.06.05-20)

Thank you.