Important collection of rabbinic letters [10]

Important collection of rabbinic letters [10]
Ten letters from rabbis in communities throughout the Diaspora, regarding various subjects.
Including:
*Letter from Rabbi Yaakov Shapiro, av"d and Rosh Yeshiva of Volozhin, to his son Rabbi Rafael Shapiro of Volozhin (son-in-law of Rabbi Chaim of Brisk and author of Torat Rafael). * Letter in the hand and with the signature of Rabbi Chaim Berlin. * Letter from Rabbi Shmuel Zalman Landau, av"d of Halusk and close friend of Rabbi Baruch Ber (mentioned in his Birkat Shmuel on Bava Kama) * Letter in German from Rabbi Yitzchak Dov HaLevi Bamberger, av"d Wurzburg from 1865. * Letter with a halachic question from a community rabbi, sent to Rabbi Shlomo Kluger. * Letter from Rabbi Gershon Stern, av"d Marash-Ludash,  author of the Yalkut HaGershoni. * Copy of a letter sent by the Lomza community, under the leadership of the Maharil Diskin, to Montefiore. This copy was made by the Lomza community leader and bears the original stamp of the Lomza beit din. 
Various conditions, moderate-fine.