[1] paper leaf. 14×22 cm. 15 lines in his handwriting, and his signature. Rabbi Avraham Yitzchak Kahn [1914-1997] the founder of the Toldot Aharon Chassidut, the father of the present Rebbe. Following the death of Rabbi Aharon Roth in 1947 most of the Chassidim accepted Rabbi Avraham Yitzchak Kahn as their Rebbe, he served as Rebbe for some 50 years. Very fine condition.