What are some of the iconic Yu-Gi-Oh memorabilia items (e.g., action figures, card sleeves, playmats) that every fan should consider adding to their collection?
5. **What role do conventions and fan gatherings play in the exchange and appreciation of Yu-Gi-Oh memorabilia, and how have these events influenced the collecting community?
4. **Are there any notable Yu-Gi-Oh promotional items or limited-edition collectibles that were released during specific events or anniversaries, and how do they impact the value of a collection?
3. **What are the key differences between official Yu-Gi-Oh merchandise and unofficial or bootleg items, and how can collectors ensure the authenticity of their memorabilia?
2. **How has the design and packaging of Yu-Gi-Oh memorabilia evolved since the franchise's inception, and what are some of the notable changes collectors have observed over the years?