Three letters handwritten and signed by Rabbi Michel Yehuda Lefkowitz, one of the most outstanding Torah teachers of our generation and Rosh Yeshiva of Ponovezh (1914-2011). From: [1983], 1996, 2004.
* Two letters of guidance to yeshiva students regarding study methods and guidance of study during their vacation * Letter of blessing to the author of Kol Mevaser on receiving his book (apparently Rabbi Chaim Efraim Zeitchik whose book Kol Mevaser was printed in Bnei Brak, 1982).
Three letters. Various sizes and conditions.