noun
autograph album; autograph book
A book for collecting autographs or short messages from friends, classmates, or celebrities. Wasei-eigo from English 'sign book'.
wasei-eigo (Japanese-coined English), from sign book
卒業式の後、友達とサインブックにメッセージを書き合った。
After the graduation ceremony, we exchanged messages in our autograph books with friends.
She gets autographs in her autograph book every time she meets a celebrity.