BOOKSELLER'S TICKET

A sticker placed in a book to identify the store that offered the book for sale.

 

As the second image shows, these stickers were generally placed at the bottom of the rear endpaper. These were sometimes affixed to the front endpaper or the front cover.

 

Also referred to as a bookseller's label. There are collectors for books from particular stores and it can be helpful to identify the label where one is found.