one piece op08 two legends booster box - Each Two Legends Booster Display contains 24 Booster Packs Shop Japanese One Piece Card

You get a tournament-quality card (330gsm Black Core) often for less than the cost of the ink required to print a flimsy version at home

They don't generally do anything different to the standard version of the card - a promotional Pikachu and a regular Pikachu have the same effect in battle - but they have a different appearance, artwork, and depending on who you talk to, a certain amount of prestige

8 25th Anniversary Celebrity Collaborator Cards are Unique Pokmon Cards with Star Power Copies: 3 Pokmon 25th Anniversary Celebrations Though the appeal of these cards may be very different from the rarest versions of the most iconic cards in major TCGs, there's no overestimating how rare they are

I guess all Korean cards released during the ex era had a Japanese backs, although Im not sure if any others besides the ADV pack and 1/P Pikachu promo are released in Korean tbh