Two more similar images are available online via the HOLLIS catalogue (same link). They are part of a larger portfolio described as follows:
Consists of letterpress title-page within ornamental engraved border (verso blank), nine pages of letterpress introduction, and fifty-one leaves of engraved samples of alphabets in various languages and lettering styles.
Theodor de Bry (1528-1598) was a Flemish-German engraver and editor. One can browse more of his work over at the Art Institute of Chicago.
I first came accross this document while browsing the Houghton Library blog.