I want to ask someone to create a calligraphy work for another friend of mine. How should I sign it?

2. The last paragraph can be written as: year+author's name+book title+name you sent to your friend+recipient's name.

3. For example, in the autumn of Geng Yin, Wang Xizhi copied the Commandment and Wang Xianzhi gave it to his friend Xie An (Wang Xianzhi and Xie An * * * Mian).