rigid card sleeves Vault X - Semi-Rigid Holders clear display for your most valuable collectibles 1/2" Lip Semi-Rigid Card Holders

Then with the introduction of Alt Arts that meant some pokemon could have 4 cards for them(flat v, full art, rainbow, and alt art)

It is also useful to find a couple of real Pokmon cards on Google image search that you can base your card on

Dex Pokdex Expansions Search News Help Get Started Glameow Cards 12 Cards Search Language Number of Cards 12 Most Recently Seen In Scarlet & Violet: Stellar Crown Market Value $21.54 Most Expensive Glameow $10.67 Glameow $3.17 Glameow $3.09 Distribution by Rarity

Azurite Sea Stitch Collectors Gift Set This one is for the fans

While the green dot test is a helpful tool for identifying counterfeits , it isnt completely foolproof