A graphic symbol, logo, or coat of arms used by a printer or publisher to identify their work and assert ownership. These marks are traditionally placed on the title page or at the end of a book above the colophon. They serve as an early form of trademark, distinguishing authorized editions from pirated copies.
Heard on the job
Make sure the publisher's device is centered exactly two picas below the subtitle on the title page.
Insider tip
The most famous historic device is the anchor and dolphin used by Aldus Manutius in Venice.
Also heard as
- printer's mark
- publisher's mark