Handwritten responsum by the Gaon Rabbi Yitzchak Yaakov Rabinowitz of Ponevezh.

A 4-leaf booklet (about 27 lines on each page) of a responsum on the reading of a get before its delivery.
The Gaon Rabbi Yitzchak Yaakov Rabinowitz (1854-1919) was one of the Lithuanian Torah giants of the generation before the destruction of European Jewry. Rosh Yeshivat Slobodka and then the rabbi of Ponevezh and the rosh yeshiva there. He rarely wrote halachic chiddushim and only one book of his responsa, Zecher Yitzchak, has survived, as well as a few chiddushim on Shas, from the writings of his students.