Aulica vita, & huic opposita vita privata ...
Petraeus, Heinrich,1546-1615.
Francofurti ad Moenum,
1578.
In the middle of the title page is an unidentifible symbol written in a 17th century hand.  The same symbol appears on the recto of the leaf following the title page, the first page of the epistle dedicatory and leaf A1r.