battle partners booster box with promo SV9 (JPN) Japanese version Pokemon Japanese - Battle Partners

The publisher offers a few suggestions to avoid counterfeits

Thats going to inform what you do next

7 Klauth, Unrivaled Ancient Though Klauth, Unrivaled Ancient may cost seven mana to cast, when paired with many other Dragons, it is capable of producing absurd amounts of mana

Odd-Eyes Raging Dragon X DARK Rank 7 [ Dragon / XyzPendulumEffect ] ATK 3000 DEF 2500 P Scale 1 Once per turn, if you have no cards in your other Pendulum Zone: You can place 1 Pendulum Monster from your Deck in your Pendulum Zone

Preserve Card Value: These protective sleeves and toploaders help maintain the condition and value of your cards over time, making them perfect for collectors and investors

I fear this is going to break the bank, haha