Ibur Shanim V'Tekufot…from 1539… until the end of the days, by Rabbi Yissachar ebn Shushan. Venice, [1578]. Printed by Zuan Di Gara.
Calculations of leap years and of the calendar with charts and sketches of "circles". Handwritten inscriptions on the title page and to several other leaves.
136 leaves, 19 cm. Good condition. Spotting. Minor worm damages. Damages to first and last leaves. Handsome binding with leather spine.