It followed two of the most hyped expansions in Pokemon Trading Card Game history, Celebrations and Evolving Skies, and it brought things back down to earth with a bump
Like most Pokmon cards, the value of Charizard-GX depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Hidden Fates Shiny Vault)
The card, when sleeved, could likely fool many collectors
Harness new powers to expand the possibilities of your battles
Back stamp cards are much more uncommon to find than grey stamps
As with any Pokemon TCG set, we expect a bit of time after the release window will allow the market to settle, and the currently inflated prices should come down