noun
bookplate; ex libris
A label pasted into a book to indicate ownership, often decorative. The term is somewhat formal or bibliophilic.
祖父の蔵書には、美しい蔵書票が貼ってある。
My grandfather's books have beautiful bookplates pasted in them.
この蔵書票は有名な版画家がデザインしたものだ。
This bookplate was designed by a famous printmaker.