You can get some idea about it here:
I am curious about the type. Anybody have any inside info on who "Stephani Mercatoris" could be? He seems to be credited with having either designed or set the type I can't tell which just yet. I am looking forward to showing it to James Mosley.
The University of Scranton has this to say about it:
Ioannis Maldonati Societatis Iesu Theologi : Commentarii in Qvatvor Evangelistas, 1596 is a first edition of an important commentary on the Vulgate Gospels. According to the Catholic Encyclopedia, Maldonado was "superior to most exegetes of his time and inferior to none."