All Indonesian cards are produced in Japan. You can expect the quality often met on Japanese cards, but you keep the original Pokémon names/some attacks in English at a more affordable price.
Note also that Indonesians have their own exclusive promo cards, based on already existing artworks. About The Pika Blinders - English vintage cards, exclusive Indonesian/Japanese promo cards. This item is in the category "Collections\Jeux de cartes à collectionner\Pokémon\Cartes à l'unité".The seller is "the_pika_blinders" and is located in this country: FR.