1. Look at the Card Symbol:
* Common: No symbol.
* Uncommon: A black diamond symbol.
* Rare: A silver star symbol.
* Rare Holo: A silver star symbol with a holographic effect.
* Reverse Holo: A silver star symbol with a holographic effect on a reversed image.
* Ultra Rare: A gold star symbol.
* Secret Rare: A special symbol, varying by set. This could be a full-art card, a trainer card with an illustration, or even a special effect like a gold background.
* Full Art: A larger, full-art illustration of a Pokemon. These can be found as Ultra Rares, Secret Rares, or even some standard Rares.
2. Check the Card's Border:
* Commons and Uncommons: Usually have a black or white border.
* Rares and above: Have a silver or gold border depending on the card's rarity.
3. Consider the Set and Release:
* Limited Edition Sets: Often have more rare cards and unique rarities.
* Expansion Sets: Have more common cards but still feature different rarities.
* Older sets: May have different rarity symbols or even older printing techniques.
4. Use Online Resources:
* Websites like TCGPlayer, Bulbapedia, and PokeBeach: Provide comprehensive information about card rarities, including card images and descriptions.
* Price guides: Can give you an idea of a card's value based on its rarity.
5. Look for Other Cues:
* Foil Stamps: Some cards have special foil stamps, indicating their rarity.
* Special Artwork: Certain cards have unique artwork or illustrations, which can contribute to their rarity.
Important Note: The rarity of a Pokemon card can change over time. Factors like its age, condition, and popularity can affect its value.