1, different meanings: To signature is the author's signature for a reader, with the reader's name on it, which is exclusive and commemorative. Ordinary signature, that is, signature, is only the author's own signature, and there is no specific object.
2. Supportability: To signature is usually signed by the author, so it has certain supportability. However, the security of ordinary signature is relatively low, because it may be printed or copied.
3, handwriting: the handwriting on the To signature is generally the author's own handwriting, which is unique. A common signature may or may not be the author's own signature.
4. Price: The price of To signature is generally lower than that of ordinary signature, because To signature is more targeted and targeted, and the number is relatively small.