LIbrary Cards looked just like this. You got to sign your name on it. If it was a school library book, you would look up and down the names of the people who'd taken it out before you, to see if you knew anyone!
Our current Smart Board generation will never know what it means to "clap erasers" for the teacher. I remember if you were lucky the teacher would send you down with a buddy to "vacuum" the erasers on the janitor's machine.