- This helps identify key items such as rare cards, promotional items, or limited edition merchandise. 2. **How can authenticity be verified for high-value Yu-Gi-Oh collectibles, and what are common signs of counterfeit items?

- This helps identify key items such as rare cards, promotional items, or limited edition merchandise. 2. **How can authenticity be verified for high-value Yu-Gi-Oh collectibles, and what are common signs of counterfeit items?