Sword & Shield Blue Sky Stream Booster Box (Korean) PokeUnlimited EX & GOLD STAR HUNTING Part 1 *EX Clash of the Blue Sky* ABSOLUTE FIRE!!! This has to be our most insane Pokmon mail day to date We got in a sealed Clash of the Blue Sky booster box, which is said to be one of Booster Box Prices Pokemon Japanese Blue Sky Stream Pokemon Cards Presenting this 2004 Pokemon Japanese Clash of the Blue Sky 1st Edition Factory Sealed Booster Box (20 Packs) This is, without a doubt, one of the hardest to find sealed products in the Pokmon