autograph

noun
1
a famous person’s signature(= their name written by them), especially when somebody asks them to write it for them to keep
امضاء یادگاری, دستخط معروف, امضاء مشهور, دستخط یادگاری
verb
1
to sign your name on something for somebody to keep
امضا کردن, امضا گذاشتن