Derech Emuna, philosophical investigations of faith. Rabbi Avraham ben Rabbi Shem Tov Ben-Bivgi. [Constantinople], 1521. First edition. Many glosses and inscriptions in ancient Oriental handwriting.
[106] leaves. 26.5 cm. Good-varying condition, stains and minor damages. Restored damages to last leaf.
Colophon on last page: "This book has been completely printed in Cheshvan 1521".