An Exuberant Renaissance Calligraphy Guide
Georg Bocskay, then secretary to the Holy Roman Emperor Ferdinand I in Vienna, composed the manuscript over the course of 1561 and 1562. Rather than instruction, the manuscript provides a bombastic display of Bocskay’s skill, and showcases the artisan talent that the emperor was able to attract. On one of these black pages—there are six in the 184-page manuscript—Hoefnagel drew a sloth, an example of the New World life the emperor was attracted to.
Source: www.atlasobscura.com