Lot of over 80 Rabbinical letters

Lot of over 80 Rabbinical letters
Archive of R. Dovid Perkowitz including letters by many important Admorim, Rabbonim and Notables.
Partial list includes:
R. Avrohom Yitzchok HaKohen Kook (moderate condition); R. Menachem Mendel Schneerson of Lubavitch; R. Yaakov Moshe Charlap (4 letters); R. Shaul Yedidyah Elazar Taub of Modzhitz (2 letters); R. Dov Beirish Weidenfeld of Tchebin; R. Yehuda Leib Twersky of Horonsteipl (5 letters); R. Yochanan Twersky of Tolna (2 letters); R. Ben Tzion Meir Chai Uziel-Rishon L’TZion (2 letters); Gabbai of R. Yisroel Friedman of Husyatin; R. Levi Yitzchok Horowitz of Boston; R. Meir Berlin (4 letters); R. Yehoshua Yechezkel Taub of Modzhitz (4 letters) ; R. Yaakov Bernstein; R. Usher Meir Rosenbaum; R. Levi Tzvi Freund; R. Yitzchok Issac Herzog, R. Isser Yehuda Unterman; R. Yehuda Yitzchok Frankel; R. Eliezer Rabinowitz (2 letters); R. Shalom Safrin of Komarna; R. Moshe Avigdor Amiel; R. Yosef Rabinowitz; R. Yaakov Aryeh Twersky; R. Yeshaya Shimshon Rabinowitz; R. Yechiel Michel Horowitz; R. Chaim Yisroel Sholom Yekusiel Rabinowitz; R. Yitzchok Friedman; R. Avrohom Yisoschar Englard (Radziner Rebbe) ; R. Asher Zev Werner; R. Avrohom Yitzchok HaLevi Perman (3 letters); R. Chaim Yaakov Zak; R. Nosson Landau; R. Amrom Auerbach; R. Chaim Yitzchok Schwartz; R. Pinchos Epstein; R. Yaakov Moshe Toledano; R. Naftali Dov Ber Rabinowitz; R. Lipa Shwager; R. Shlomo Rabinowitz; and others.
Varying in size. Overall very fine condition.
Opening bid $500