It's worth noting that the Shiny artwork for all the Paldean starter evolution lines and Charizard ex from 'Ruler of the Black Flame' has already been revealed.

The Japanese Shiny Treasure Booster Box includes:

• 10 Shiny Treasure booster packs 
  • Each booster pack contains 10 cards in each pack. Cards vary by pack. 

Shipped brand new, sealed in the original manufacturer’s shrink wrap.
Release date: December 1, 2023