1, the special signature can be customized according to the requirements of readers, and readers can provide their own specific content so that the author can add it to the signature. This personalized customization makes special signs more suitable for readers' needs and increases the collection value.

2. The signature is signed by the author himself, which ensures the authenticity and uniqueness of the signature. Each signature is completed by the author himself, without printing or copying, so it has high collection and commemorative value.