Pokemon 151 Booster Box Case (Japanese) Sealed! This case of Japanese 151 booster boxes sat under my desk for a few years and silently became the second most expensive sealed item in my collection. Coincidentally, I bought this from @ Pokmon TCG Scarlet & Violet 151 Blooming Waters Premium Collection The Collection Chest Pokmon Japanese Shiny Treasure EX Booster Box Sealed, Fresh From US Seller, Ships Fast! Pokemon Booster Box