Handwriting identification is a special technology to identify the writer according to the characteristics of people's writing skills and habits, as well as the reflection in writing handwriting and painting. It should be possible. To do handwriting appraisal, you need to go to the judicial appraisal office with a judicial appraisal license. You can bring the object to be identified, your personal natural handwriting signature and other materials to the office for identification. The handling fee is between 2500 yuan and 20000 yuan, depending on the difficulty of appraisal and the loan amount.