A circular printer's mark, visible through the paper from the recto side, features an elm tree entwined with a grapevine and a solitary figure of a man standing to the left.

Don P.
...

The following text is mirrored bleed-through from the recto title page, transcribed here in its intended orientation for readability.

OF FRANCO BURGERSDIJK

ASTRONOMY

1. The Sphere of John of Holywood original: "Ioannis de Sacro-Bosco".?
2. A Compendium of Celestial Doctrine.

The rest which the previous book contains, the third page
will indicate.