gimmighoul pokemon card (Paldean Wonders #122/131, 1-Star Shiny) [Psychic] Pokemon Trading Card Game Paradox

If the card features an ex design and the rarity symbol lines up (along with the other card information, like card number and set symbol) then you should be looking at a Double Rare card

The most famous gold stamp errors involve prerelease stamps appearing on cards that were never supposed to receive them, or stamps being applied in the wrong location, upside down, or with the wrong text

This should go without saying, but to maximize your profits when selling bulk Pokmon cards, you need to do your research

The Poke Pad is forming a key part of the current meta - it lets you search your deck for any Pokmon that doesn't have a "Rule Box" (meaning no Pokmon ex or V), reveal it, and add it to your hand